////////////////////////////////////////////////////////////////
//
//			COMPLETE FORM VALIDATION
//
////////////////////////////////////////////////////////////////

var err_arr = new Array();

function validate()
{
	err_arr.length = 0;
	
	try{
		requiredFields();
	}
	catch(e){}

	try{
		cellCheck();
	}
	catch(e){}

	try{
		mailCheck();
	}
	catch(e){}	

	if(err_arr.length == 0)
	{
		return true;
	}
	else
	{
		displayErr();
		return false;
	}
}

function displayErr()
{
	var er 	= document.getElementById("err-top");
	var er2	= document.getElementById("err-bottom");
	
	er.innerHTML = "<p class='err-mess'>";
	er2.innerHTML = "<p class='err-mess'>";

	for(i=0;i<=err_arr.length-1;i++)
	{
		er.innerHTML = 	er.innerHTML+err_arr[i]+"<br>";
		er2.innerHTML = 	er.innerHTML+err_arr[i]+"<br>";	
	}
	
	er.innerHTML = 	er.innerHTML+"</p>";
	er2.innerHTML = 	er.innerHTML+"</p>";
	
	err_arr.length = 0;
	
	//document.getElementById("err-top").focus();
}

function requiredFields()
{
	var fm = document.getElementById(f_el);

	var invalid = false;
	var has_err	= true;
	var el_type,err_mess;
	
	for(i=0;i<=req_arr.length-1;i++)
	{
		el_type = fm[parseInt(req_arr[i])].type+"";

		switch(el_type)
		{
			case "text" :
				invalid = invalid || checkNullText(req_arr[i]);
				break;
			case "password" :
				invalid = invalid || checkNullText(req_arr[i]);
				break;
			case "textarea" :
				invalid = invalid || checkNullText(req_arr[i]);
				break;	
			case "select-one" :
				invalid = invalid || checkNullOne(req_arr[i]);
				break;
			case "radio" :
				invalid = invalid || checkNullRadio(req_arr[i]);
				break;
			case "select-multiple" :
				invalid = invalid || checkNullMulti(req_arr[i]);
				break;
			case "checkbox" :
				invalid = invalid || checkNullCheck(req_arr[i]);
				break;
			default :
				var none = 0;
		}	
		
		if(invalid == true && has_err == true)
		{
			err_arr[err_arr.length] = "Please complete all required fields";
			has_err									= false;
		}	
	}
	return err_add;
}

function checkIsNumber(z)
{
	var fm = document.getElementById(f_el);
	var val = parseInt(z);
	
	if(parseInt(fm[val].value)+"" == "NaN")
	{
		fm[z].className = "input-err";
		return true;
	}
	else
	{
		fm[z].className = "input";
		return false;
	}
}

function checkNullText(z)
{
	var fm = document.getElementById(f_el);
	var val = parseInt(z);

	if(fm[val].value == "" || fm[val].length == 0 || fm[val].value == "undefined")
	{
		fm[z].className = "input-err";
		return true;
	}
	else
	{
		fm[z].className = "input";
		return false;
	}
}

function checkNullHidden(z)
{
	var fm = document.getElementById(f_el);
	var val = parseInt(z);

	if(fm[val].value == "" || fm[val].length == 0 || fm[val].value == "undefined" || fm[val].value == "&nbsp;")
	{
		return true;
	}
	else
	{
		return false;
	}
}

function checkNullCheck(z)
{
	var fm = document.getElementById(f_el);
	var val = parseInt(z);

	if(fm[val].checked == false)
	{
		fm[z].className = "input-err";
		return true;
	}
	else
	{
		fm[z].className = "input";
		return false;
	}	
	
}

function checkNullOne(z)
{
	var fm = document.getElementById(f_el);
	var val = parseInt(z);

	if(fm[val].options[fm[val].options.selectedIndex].value == "")
	{
		fm[z].className = "input-err";
		return true;
	}
	else
	{
		fm[z].className = "input";
		return false;
	}
}

function checkNullMulti(z)
{
	var has_selected = false;
	var fm = document.getElementById(f_el);
	var val = parseInt(z);

	for(ii=0;i<=fm[val].options.length-1;ii++)
	{
		if(fm[val].options[ii].selected == true)
		{
			has_selected = true;
			break;
		}
	}
	
	if(has_selected == false)
	{
		fm[z].className = "select-err";
		return true;
	}
	else
	{
		fm[z].className = "input";
		return false;
	}
}

function checkNullRadio(z)
{
	var has_selected = false;
	var fm = document.getElementById(f_el);
	var val = parseInt(z);
	var radio_group = fm[val].name;
	
	for(iii=0;i<=radio_group.options.length-1;iii++)
	{
		if(radio_group.options[iii].checked)
		{
			has_selected = true;
		}
	}
	
	if(has_selected == true)
	{
		fm[z].className = "input-err";
		return false;
	}
	else
	{
		fm[z].className = "input";
		return true;
	}
}

function cellCheck()
{
	if(cell_+"" != "undefined")
	{
		var fm = document.getElementById(f_el);
		var val = parseInt(cell_);
		
		if(fm[val].value != "" && fm[val].value != "undefined")
		{
			var count;			
			var cel_x = fm[val].value+"";
			cel_x = cel_x.substring(1);	
			cel_x = "1"+cel_x;
			cel = parseInt(cel_x);
			
			if(cel<1839999999 && cel>1830000000)
			{
				count = 4;
			}
		
			if(cel<1739999999 && cel>1730000000)
			{
				count = 4;
			}
		
			if(cel<1829999999 && cel>1820000000)
			{
				count = 4;
			}
		
			if(cel<1729999999 && cel>1720000000)
			{
				count = 4;
			}
		
			if(cel<1849999999 && cel>1840000000)
			{
				count = 4;	
			}
			
			if(cel<1749999999 && cel>1740000000)
			{
				count = 4;	
			}	
			
			if(cel<1719999999 && cel>1710000000)
			{
				count = 4;	
			}
			
			if(cel<1789999999 && cel>1780000000)
			{
				count = 4;	
			}
			
			if(cel<1769999999 && cel>1760000000)
			{
				count = 4;	
			}
		
			if(count != 4)
			{
				fm[val].className = "input-err";
				err_arr[err_arr.length] = "The mobile number specified is incorrect";
				return false;
			}
		
			if(count == 4)
			{
				fm[val].className = "input";
			}
		}
	}
}

function mailCheck()
{
	if(mail_+"" != "undefined")
	{	
		var fm = document.getElementById(f_el);
		var val = parseInt(mail_);
		
		if(fm[val].value != '' && fm[val].value != 'undefined')
		{
			var mail = fm[val].value+"";
			
			if(mail.indexOf("@") == -1 || mail.indexOf("@") == 0 || mail.indexOf("@") == mail.length-1)
			{
				fm[val].className = "input-err";
				err_arr[err_arr.length] = "The email address specified is incorrect";
				return false;
			}
			else
			{
				mail = mail.split("@");
				
				if(mail[1].indexOf(".") == -1 || mail[1].indexOf(".") == 0 || mail[1].indexOf(".") == mail[1].length-1)
				{
					fm[val].className = "input-err";
					err_arr[err_arr.length] = "The email address specified is incorrect";
					return false;
				}
				else
				{
					fm[val].className = "input";
					return true;
				}
			}
		}
	}
}

////////////////////////////////////////////////////////////////
//
//			GENERAL JAVASCRIPT FUNCTIONS
//
////////////////////////////////////////////////////////////////

function fill_type(selected_val,f_id,t_nam)
{
	var new_arr = new Array()
	selected_val = selected_val.replace(/\ /g,"")+"";
	
	for(i=0;i<=clas_arr.length-1;i++)
	{
		var ch = clas_arr[i]+"";
		if(ch.charAt(0) == selected_val)
		{
			new_arr[new_arr.length] = tnam_arr[i]+"";
		}
	}	
	fill_opt(new_arr,f_id,t_nam);
}

function fill_opt(opt_n,el,t_nam)
{
	var ell = document.getElementById(el+"_tn");

	for(i=0;i<=ell.options.length-1;i++)
	{
		ell.options[i] = null;
	}
	
	ell.options[0] = new Option("Select a teacher","");
	var ell_pos = 1;
	
	for(i=0;i<=opt_n.length-1;i++)
	{
		ell.options[ell_pos++] = new Option(opt_n[i],opt_n[i]);
		if(t_nam+"" != "undefined" && opt_n[i] == t_nam){ell.options[ell_pos-1].selected = true;}		
	}
}

function fill_opt_group(opt_n,el)
{
	var ell = document.getElementById(el);
	ell.options.length = 0;
	ell.options[0] = new Option(opt_n,opt_n);
}

function fill_opt_class(opt_v,el,opt_d)
{
	opt_v = opt_v.split(",");
	opt_d = opt_d.split(",");
	var ell = document.getElementById(el);
	ell.options.length = 0;
	
	for(i=0;i<=opt_v.length-1;i++)
	{
		ell.options[i] = new Option(opt_d[i],opt_v[i]);
	}
}

function fill_clas(this_n,f_id)
{
	var fel = document.getElementById(f_id);
	var cl_disp = document.getElementById(fel.name+"_cl");
	var cl_hidd = document.getElementById(fel.name+"_h");
	var te_hidd = document.getElementById(fel.name+"_t");
	
	for(i=0;i<=tnam_arr.length-1;i++)
	{
		if(tnam_arr[i]+"" == this_n+"")
		{
			cl_disp.innerHTML = clas_arr[i]+"";
			cl_hidd.value 		= clas_arr[i]+"";
			te_hidd.value 		= tid_arr[i]+"";
			return i;
			break;
		}
	}		
}

function delete_rows()
{
	var tab = document.getElementById("table1")
	
	while(tab.rows[3].cells[0].innerHTML != "")
	{
		tab.deleteRow(3);
	}
	
}

function autofill(f_nam_supp,f_val_supp)
{
	var f_nam = f_nam_supp.split(",");
	var f_val = f_val_supp.split(",");

	for(i=0;i<=document.form1.length-1;i++)
	{
		for(j=0;j<=f_nam.length-1;j++)
		{
			if(form1[i].name+"" == f_nam[j]+"")
			{
				if(form1[i].type+"" == "select-one")
				{
					form1[i].value = f_val[j]+"";			
				}
				else
				{
					form1[i].value = f_val[j]+"";
					
				}
			}
		}
	}

	var cur = document.getElementById("table2");
	cur.rows[0].cells[1].innerHTML = "<div align='left'><strong>Edit an existing listing</strong></div>";
}

function fill_select(el_id,val)
{
	var t_select = document.getElementById(el_id);
	val = val.replace(/\ /g,"").toUpperCase()+"";
	
	for(i=0;i<=t_select.options.length-1;i++)
	{
		if(t_select.options[i].value.toUpperCase() == val)
		{
			t_select.options[i].selected = true;
			break;
		}
	}
}

function warnDelete(mess,db,uid,tb)
{
	var con = confirm(mess+" Click OK to delete.");
	
	if(con == true)
	{
		deleteItem(uid,db,'',tb);
	}
}

function row_del(r_count)
{
	var cur = document.getElementById("table1");
	var r_del = document.getElementById(r_count);
	var tbody = cur.getElementsByTagName("tbody")[0];
    tbody.removeChild(r_del);
}

function multi_check(val)
{
	var f_el = document.getElementById(val);
	
	if(multi == false)
	{
		f_el.value = "";
	}
	else
	{
		if(f_el.value != "")
		{
			f_el.value = f_el.value+",";
		}
	}
}

function check_double(_id,_val)
{
	var form_el = document.getElementById(_id);
	var val_el = form_el.value+"";
	var form_val = val_el.split(",");
	var new_val = _val+"";
	
	for(i=0;i<=form_val.length-1;i++)
	{
		if(new_val+"" == form_val[i]+"")
		{
			return true;
		}
	}
	
	return "undefined"
}

function apo_delete()
{
	for(i=0;i<document.form1.length;i++)
	{
		var field = document.form1[i].value+"";
		
		if(field != "")
		{
			field = field.replace(/\'/g, "");
			document.form1[i].value = field;
		}
	}
}

function submission()
{
	winclose();
	cell_authenticate();
}

function swin_open(s_id)
{
	var swin,loc;
	
	if(s_id+"" == "add")
	{
		loc = "admin_st_add.asp";
	}
	else
	{
		loc = "admin_st_edit.asp?s_id="+s_id;
	}
		
	swin=window.open(loc,"swin","scrollbars=1 status=no address=no height=670 width=350 alwaysRaised=true");	
	swin.moveTo(400,10);	
}

function mwin_open(act,mess_id)
{
	var mwin;
	if(act=="send")
	{
		mwin=window.open("mess_create.asp","mwin","scrollbars=1 status=no address=no height=670 width=585 alwaysRaised=true");	
	}
	else
	{
		mwin=window.open("mess_read.asp?mess_id="+mess_id,"mwin","scrollbars=1 status=no address=no height=670 width=585 alwaysRaised=true");
	}
	
	mwin.moveTo(250,10);	
}

function winclose()
{
	// check if pop-up exists, if so: close. 
	if(window.newwin)
	{
		window.newwin.close(); 
	}
}

function getPixelsFromTop(obj)
{
	objFromTop = obj.offsetTop;
	while(obj.offsetParent!=null) 
	{
		objParent = obj.offsetParent;
		objFromTop += objParent.offsetTop;
		obj = objParent;
	}
	return objFromTop;
}

////////////////////////////////////////////////////////////////
//
//			SORTABLE TABLE
//
////////////////////////////////////////////////////////////////

var stIsIE = /*@cc_on!@*/false;

sorttable = {
  init: function() {
    // quit if this function has already been called
    if (arguments.callee.done) return;
    // flag this function so we don't do the same thing twice
    arguments.callee.done = true;
    // kill the timer
    if (_timer) clearInterval(_timer);
    
    if (!document.createElement || !document.getElementsByTagName) return;
    
    sorttable.DATE_RE = /^(\d\d?)[\/\.-](\d\d?)[\/\.-]((\d\d)?\d\d)$/;
    
    forEach(document.getElementsByTagName('table'), function(table) {
      if (table.className.search(/\bsortable\b/) != -1) {
        sorttable.makeSortable(table);
      }
    });
    
  },
  
  makeSortable: function(table) {
    if (table.getElementsByTagName('thead').length == 0) {
      // table doesn't have a tHead. Since it should have, create one and
      // put the first table row in it.
      the = document.createElement('thead');
      the.appendChild(table.rows[0]);
      table.insertBefore(the,table.firstChild);
    }
    // Safari doesn't support table.tHead, sigh
    if (table.tHead == null) table.tHead = table.getElementsByTagName('thead')[0];
    
    if (table.tHead.rows.length != 1) return; // can't cope with two header rows
    
    // Sorttable v1 put rows with a class of "sortbottom" at the bottom (as
    // "total" rows, for example). This is B&R, since what you're supposed
    // to do is put them in a tfoot. So, if there are sortbottom rows,
    // for backwards compatibility, move them to tfoot (creating it if needed).
    sortbottomrows = [];
    for (var i=0; i<table.rows.length; i++) {
      if (table.rows[i].className.search(/\bsortbottom\b/) != -1) {
        sortbottomrows[sortbottomrows.length] = table.rows[i];
      }
    }
    if (sortbottomrows) {
      if (table.tFoot == null) {
        // table doesn't have a tfoot. Create one.
        tfo = document.createElement('tfoot');
        table.appendChild(tfo);
      }
      for (var i=0; i<sortbottomrows.length; i++) {
        tfo.appendChild(sortbottomrows[i]);
      }
      delete sortbottomrows;
    }
    
    // work through each column and calculate its type
    headrow = table.tHead.rows[0].cells;
    for (var i=0; i<headrow.length; i++) {
      // manually override the type with a sorttable_type attribute
      if (!headrow[i].className.match(/\bsorttable_nosort\b/)) { // skip this col
        mtch = headrow[i].className.match(/\bsorttable_([a-z0-9]+)\b/);
        if (mtch) { override = mtch[1]; }
	      if (mtch && typeof sorttable["sort_"+override] == 'function') {
	        headrow[i].sorttable_sortfunction = sorttable["sort_"+override];
	      } else {
	        headrow[i].sorttable_sortfunction = sorttable.guessType(table,i);
	      }
	      // make it clickable to sort
	      headrow[i].sorttable_columnindex = i;
	      headrow[i].sorttable_tbody = table.tBodies[0];
	      dean_addEvent(headrow[i],"click", function(e) {

          if (this.className.search(/\bsorttable_sorted\b/) != -1) {
            // if we're already sorted by this column, just 
            // reverse the table, which is quicker
            sorttable.reverse(this.sorttable_tbody);
            this.className = this.className.replace('sorttable_sorted',
                                                    'sorttable_sorted_reverse');
            this.removeChild(document.getElementById('sorttable_sortfwdind'));
            sortrevind = document.createElement('span');
            sortrevind.id = "sorttable_sortrevind";
            sortrevind.innerHTML = stIsIE ? '&nbsp<font face="webdings">5</font>' : '&nbsp;&#x25B4;';
            this.appendChild(sortrevind);
            return;
          }
          if (this.className.search(/\bsorttable_sorted_reverse\b/) != -1) {
            // if we're already sorted by this column in reverse, just 
            // re-reverse the table, which is quicker
            sorttable.reverse(this.sorttable_tbody);
            this.className = this.className.replace('sorttable_sorted_reverse',
                                                    'sorttable_sorted');
            this.removeChild(document.getElementById('sorttable_sortrevind'));
            sortfwdind = document.createElement('span');
            sortfwdind.id = "sorttable_sortfwdind";
            sortfwdind.innerHTML = stIsIE ? '&nbsp<font face="webdings">6</font>' : '&nbsp;&#x25BE;';
            this.appendChild(sortfwdind);
            return;
          }
          
          // remove sorttable_sorted classes
          theadrow = this.parentNode;
          forEach(theadrow.childNodes, function(cell) {
            if (cell.nodeType == 1) { // an element
              cell.className = cell.className.replace('sorttable_sorted_reverse','');
              cell.className = cell.className.replace('sorttable_sorted','');
            }
          });
          sortfwdind = document.getElementById('sorttable_sortfwdind');
          if (sortfwdind) { sortfwdind.parentNode.removeChild(sortfwdind); }
          sortrevind = document.getElementById('sorttable_sortrevind');
          if (sortrevind) { sortrevind.parentNode.removeChild(sortrevind); }
          
          this.className += ' sorttable_sorted';
          sortfwdind = document.createElement('span');
          sortfwdind.id = "sorttable_sortfwdind";
          sortfwdind.innerHTML = stIsIE ? '&nbsp<font face="webdings">6</font>' : '&nbsp;&#x25BE;';
          this.appendChild(sortfwdind);

	        // build an array to sort. This is a Schwartzian transform thing,
	        // i.e., we "decorate" each row with the actual sort key,
	        // sort based on the sort keys, and then put the rows back in order
	        // which is a lot faster because you only do getInnerText once per row
	        row_array = [];
	        col = this.sorttable_columnindex;
	        rows = this.sorttable_tbody.rows;
	        for (var j=0; j<rows.length; j++) {
	          row_array[row_array.length] = [sorttable.getInnerText(rows[j].cells[col]), rows[j]];
	        }
	        /* If you want a stable sort, uncomment the following line */
	        //sorttable.shaker_sort(row_array, this.sorttable_sortfunction);
	        /* and comment out this one */
	        row_array.sort(this.sorttable_sortfunction);
	        
	        tb = this.sorttable_tbody;
	        for (var j=0; j<row_array.length; j++) {
	          tb.appendChild(row_array[j][1]);
	        }
	        
	        delete row_array;
	      });
	    }
    }
  },
  
  guessType: function(table, column) {
    // guess the type of a column based on its first non-blank row
    sortfn = sorttable.sort_alpha;
    for (var i=0; i<table.tBodies[0].rows.length; i++) {
      text = sorttable.getInnerText(table.tBodies[0].rows[i].cells[column]);
      if (text != '') {
        if (text.match(/^-?[£$¤]?[\d,.]+%?$/)) {
          return sorttable.sort_numeric;
        }
        // check for a date: dd/mm/yyyy or dd/mm/yy 
        // can have / or . or - as separator
        // can be mm/dd as well
        possdate = text.match(sorttable.DATE_RE)
        if (possdate) {
          // looks like a date
          first = parseInt(possdate[1]);
          second = parseInt(possdate[2]);
          if (first > 12) {
            // definitely dd/mm
            return sorttable.sort_ddmm;
          } else if (second > 12) {
            return sorttable.sort_mmdd;
          } else {
            // looks like a date, but we can't tell which, so assume
            // that it's dd/mm (English imperialism!) and keep looking
            sortfn = sorttable.sort_ddmm;
          }
        }
      }
    }
    return sortfn;
  },
  
  getInnerText: function(node) {
    // gets the text we want to use for sorting for a cell.
    // strips leading and trailing whitespace.
    // this is *not* a generic getInnerText function; it's special to sorttable.
    // for example, you can override the cell text with a customkey attribute.
    // it also gets .value for <input> fields.
    
    hasInputs = (typeof node.getElementsByTagName == 'function') &&
                 node.getElementsByTagName('input').length;
    
    if (node.getAttribute("sorttable_customkey") != null) {
      return node.getAttribute("sorttable_customkey");
    }
    else if (typeof node.textContent != 'undefined' && !hasInputs) {
      return node.textContent.replace(/^\s+|\s+$/g, '');
    }
    else if (typeof node.innerText != 'undefined' && !hasInputs) {
      return node.innerText.replace(/^\s+|\s+$/g, '');
    }
    else if (typeof node.text != 'undefined' && !hasInputs) {
      return node.text.replace(/^\s+|\s+$/g, '');
    }
    else {
      switch (node.nodeType) {
        case 3:
          if (node.nodeName.toLowerCase() == 'input') {
            return node.value.replace(/^\s+|\s+$/g, '');
          }
        case 4:
          return node.nodeValue.replace(/^\s+|\s+$/g, '');
          break;
        case 1:
        case 11:
          var innerText = '';
          for (var i = 0; i < node.childNodes.length; i++) {
            innerText += sorttable.getInnerText(node.childNodes[i]);
          }
          return innerText.replace(/^\s+|\s+$/g, '');
          break;
        default:
          return '';
      }
    }
  },
  
  reverse: function(tbody) {
    // reverse the rows in a tbody
    newrows = [];
    for (var i=0; i<tbody.rows.length; i++) {
      newrows[newrows.length] = tbody.rows[i];
    }
    for (var i=newrows.length-1; i>=0; i--) {
       tbody.appendChild(newrows[i]);
    }
    delete newrows;
  },
  
  /* sort functions
     each sort function takes two parameters, a and b
     you are comparing a[0] and b[0] */
  sort_numeric: function(a,b) {
    aa = parseFloat(a[0].replace(/[^0-9.-]/g,''));
    if (isNaN(aa)) aa = 0;
    bb = parseFloat(b[0].replace(/[^0-9.-]/g,'')); 
    if (isNaN(bb)) bb = 0;
    return aa-bb;
  },
  sort_alpha: function(a,b) {
    if (a[0]==b[0]) return 0;
    if (a[0]<b[0]) return -1;
    return 1;
  },
  sort_ddmm: function(a,b) {
    mtch = a[0].match(sorttable.DATE_RE);
    y = mtch[3]; m = mtch[2]; d = mtch[1];
    if (m.length == 1) m = '0'+m;
    if (d.length == 1) d = '0'+d;
    dt1 = y+m+d;
    mtch = b[0].match(sorttable.DATE_RE);
    y = mtch[3]; m = mtch[2]; d = mtch[1];
    if (m.length == 1) m = '0'+m;
    if (d.length == 1) d = '0'+d;
    dt2 = y+m+d;
    if (dt1==dt2) return 0;
    if (dt1<dt2) return -1;
    return 1;
  },
  sort_mmdd: function(a,b) {
    mtch = a[0].match(sorttable.DATE_RE);
    y = mtch[3]; d = mtch[2]; m = mtch[1];
    if (m.length == 1) m = '0'+m;
    if (d.length == 1) d = '0'+d;
    dt1 = y+m+d;
    mtch = b[0].match(sorttable.DATE_RE);
    y = mtch[3]; d = mtch[2]; m = mtch[1];
    if (m.length == 1) m = '0'+m;
    if (d.length == 1) d = '0'+d;
    dt2 = y+m+d;
    if (dt1==dt2) return 0;
    if (dt1<dt2) return -1;
    return 1;
  },
  
  shaker_sort: function(list, comp_func) {
    // A stable sort function to allow multi-level sorting of data
    // see: http://en.wikipedia.org/wiki/Cocktail_sort
    var b = 0;
    var t = list.length - 1;
    var swap = true;

    while(swap) {
        swap = false;
        for(var i = b; i < t; ++i) {
            if ( comp_func(list[i], list[i+1]) > 0 ) {
                var q = list[i]; list[i] = list[i+1]; list[i+1] = q;
                swap = true;
            }
        } // for
        t--;

        if (!swap) break;

        for(var i = t; i > b; --i) {
            if ( comp_func(list[i], list[i-1]) < 0 ) {
                var q = list[i]; list[i] = list[i-1]; list[i-1] = q;
                swap = true;
            }
        } // for
        b++;

    } // while(swap)
  }  
}

/* for Mozilla/Opera9 */
if (document.addEventListener) {
    document.addEventListener("DOMContentLoaded", sorttable.init, false);
}

/* for Internet Explorer */
/*@cc_on @*/
/*@if (@_win32)
    document.write("<script id=__ie_onload defer src=javascript:void(0)><\/script>");
    var script = document.getElementById("__ie_onload");
    script.onreadystatechange = function() {
        if (this.readyState == "complete") {
            sorttable.init(); // call the onload handler
        }
    };
/*@end @*/

/* for Safari */
if (/WebKit/i.test(navigator.userAgent)) { // sniff
    var _timer = setInterval(function() {
        if (/loaded|complete/.test(document.readyState)) {
            sorttable.init(); // call the onload handler
        }
    }, 10);
}

/* for other browsers */
window.onload = sorttable.init;

function dean_addEvent(element, type, handler) {
	if (element.addEventListener) {
		element.addEventListener(type, handler, false);
	} else {
		// assign each event handler a unique ID
		if (!handler.$$guid) handler.$$guid = dean_addEvent.guid++;
		// create a hash table of event types for the element
		if (!element.events) element.events = {};
		// create a hash table of event handlers for each element/event pair
		var handlers = element.events[type];
		if (!handlers) {
			handlers = element.events[type] = {};
			// store the existing event handler (if there is one)
			if (element["on" + type]) {
				handlers[0] = element["on" + type];
			}
		}
		// store the event handler in the hash table
		handlers[handler.$$guid] = handler;
		// assign a global event handler to do all the work
		element["on" + type] = handleEvent;
	}
};
// a counter used to create unique IDs
dean_addEvent.guid = 1;

function removeEvent(element, type, handler) {
	if (element.removeEventListener) {
		element.removeEventListener(type, handler, false);
	} else {
		// delete the event handler from the hash table
		if (element.events && element.events[type]) {
			delete element.events[type][handler.$$guid];
		}
	}
};

function handleEvent(event) {
	var returnValue = true;
	// grab the event object (IE uses a global event object)
	event = event || fixEvent(((this.ownerDocument || this.document || this).parentWindow || window).event);
	// get a reference to the hash table of event handlers
	var handlers = this.events[event.type];
	// execute each event handler
	for (var i in handlers) {
		this.$$handleEvent = handlers[i];
		if (this.$$handleEvent(event) === false) {
			returnValue = false;
		}
	}
	return returnValue;
};

function fixEvent(event) {
	// add W3C standard event methods
	event.preventDefault = fixEvent.preventDefault;
	event.stopPropagation = fixEvent.stopPropagation;
	return event;
};
fixEvent.preventDefault = function() {
	this.returnValue = false;
};
fixEvent.stopPropagation = function() {
  this.cancelBubble = true;
}

// array-like enumeration
if (!Array.forEach) { // mozilla already supports this
	Array.forEach = function(array, block, context) {
		for (var i = 0; i < array.length; i++) {
			block.call(context, array[i], i, array);
		}
	};
}

// generic enumeration
Function.prototype.forEach = function(object, block, context) {
	for (var key in object) {
		if (typeof this.prototype[key] == "undefined") {
			block.call(context, object[key], key, object);
		}
	}
};

// character enumeration
String.forEach = function(string, block, context) {
	Array.forEach(string.split(""), function(chr, index) {
		block.call(context, chr, index, string);
	});
};

// globally resolve forEach enumeration
var forEach = function(object, block, context) {
	if (object) {
		var resolve = Object; // default
		if (object instanceof Function) {
			// functions have a "length" property
			resolve = Function;
		} else if (object.forEach instanceof Function) {
			// the object implements a custom forEach method so use that
			object.forEach(block, context);
			return;
		} else if (typeof object == "string") {
			// the object is a string
			resolve = String;
		} else if (typeof object.length == "number") {
			// the object is array-like
			resolve = Array;
		}
		resolve.forEach(object, block, context);
	}
};