function f()
	{
		var obj=document.getElementById('img_Num');
		
		if(obj!=null)
		{
			obj.src='/ValidateCode.aspx';
		}
	}
	
	document.onreadystatechange=function()
	{
		if(document.readyState=="complete")
		{
//			debugger
			var form=window.document.forms;

			if(form!=null)
			{
			for(var i=0;i<form.length;i++)
			{
             
            if(typeof form[i].action=='object' ||form[i].action.toLowerCase().indexOf("action=27")!=-1)
            {
              continue;
            }
			var tables=form[i].getElementsByTagName("table")			

            var pathname=GetUrlName(); 
			if(tables!=null )
			{	  
		        var table;
		      	var rowslength;
		      	var tablesLength=tables.length;
			   if(tablesLength==4)
			   {
			     table=tables[tables.length-2];
			   }
			   else
			   {
			     table=tables[tables.length-1];
			   }
				if (table!=null)
				{
					    rowslength=table.rows.length;
				
						var tr;
						if(tablesLength==4)
						{
						   tr=table.insertRow(rowslength);
						}
						else
						{
						  tr=table.insertRow(rowslength-1);
						}
						
                        var tdInput=document.createElement("td");	
                        var tdTitle=document.createElement("td");
						var baseTr;
						var inputStr="&nbsp;<input style='width:50px' type='text' name='Num'>&nbsp;<a href='javascript:f()' title='看不清，换一个'><img src='/ValidateCode.aspx' border='0' name='img_Num'></a>";
						if(tablesLength==11)
						 {
						   baseTr=table.rows(rowslength-1);
                           tdTitle.style.textAlign="left";
                           	tr.style.backgroundColor=baseTr.bgColor;
                           tdTitle.innerHTML=codestr+inputStr;
                           tr.appendChild(tdTitle);
						 }
				
						 else
						 {
						 
//						   if(table.rows.length>=4)
//						   {
						   try
						   {
						     tdTitle.style.textAlign="right"
						     baseTr=table.rows(rowslength-2);
						     tr.style.backgroundColor=baseTr.bgColor;
						     tdTitle.innerHTML=codestr;
						     tdInput.style.backgroundColor=baseTr.cells[1].bgColor;
						     tdTitle.style.backgroundColor=baseTr.cells[0].bgColor;
						     tdInput.innerHTML=inputStr;
						     tr.appendChild(tdTitle);
						     tr.appendChild(tdInput);
						     }
						     catch(e){}
						   }
//						 }					
				 }
			   }//end table
			 }//end for
		  }
		}
	}
	
	function GetUrlName()
	{
	    var url=window.location.pathname;
	    var arrURL=url.split("/");	
	    
	    var urlName=arrURL[arrURL.length-1];
	    
	    return urlName.toLowerCase();	        
	    
	}