function sureOp(url) 
    {
	confirmObj=confirm("Do you really want to delete ?");
	if (confirmObj)
	{
		document.location.href=url;
	}
	return false;
     }


function GetXmlHttpObject()
{ 
	var objXMLHttp=null;
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest();
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	return objXMLHttp;
} 

function RunUrl(url)
{
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return ;
	} 


	if (xmlHttp) 
	{
		xmlHttp.open('POST', url, false);
		xmlHttp.send(null);
		return xmlHttp.responseText;
	} 
	else 
	{
		return "Error - Please try again";
	}

} 
function switchDisplay(elen)
{

	ele=document.getElementById(elen);

	if(ele.style.display=='block')
	{ 
		ele.style.display='none'; 
	}
	else
	{
		ele.style.display='block'; 
	} 
	
}


function IsNumeric(sText)
{
   var ValidChars = "0123456789.-";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }
function checkMail(mail)
{
	var x = mail;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	return (filter.test(x)) 
}