//trim function

String.prototype.trim = function() { return this.replace(/^\s+|\s+$/, ''); };

/*******for Check email address**************/
function checkemail(str)
{
	//var str=document.forms[0].elements['email'].value;
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (filter.test(str))	
		return true;	
	else	
		return false;
}


function checknull()
{
	document.getElementById("searchkey").value=document.getElementById("searchkey").value.trim();
	if(document.getElementById("searchkey").value=='')
	{
		alert("Enter Search Key");
		document.getElementById("searchkey").select;
		return false;		
	}
}

function checks()
{
	document.getElementById("signupemail").value=document.getElementById("signupemail").value.trim();
	if(document.getElementById("signupemail").value=='')
	{
		alert("Enter your email !");
		document.getElementById("signupemail").select();
		return false;		
	}
	
	if( !checkemail(document.getElementById("signupemail").value) )
	{
			document.getElementById("signupemail").select();
			alert("Please enter valid email address");
			return false;
	}	
	
}