function validation ()
{
	if(document.frmLeftContactUS.txtLName.value == "")
	{
		alert("* Please enter name.");
		document.frmLeftContactUS.txtLName.focus();
		return false;
	}

/*	if(document.frmLeftContactUS.txtZip.value == "")
	{
		alert("Please enter zip");
		document.frmLeftContactUS.txtZip.focus();
		return false;
	}
	
	if(document.frmLeftContactUS.txtZip.value == "")
	{
		alert("Please enter zip");
		document.frmLeftContactUS.txtZip.focus();
		return false;
	}
	else if (isNaN(document.frmLeftContactUS.txtZip.value))
	{
		alert("Please enter valid zip,zip code should be numeric");
		document.frmLeftContactUS.txtZip.focus();
		return false;
	}	
*/
	if((document.frmLeftContactUS.txtLEmail.value == "") || (document.frmLeftContactUS.txtLEmail.value == "enter email id here"))
	{
		alert("* Please enter email address.");		
		document.frmLeftContactUS.txtLEmail.focus();	
		return false;
	}
	else
	{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.frmLeftContactUS.txtLEmail.value))
		{
			
		}
		else
		{
			alert("* Enter valid email address.")
			document.frmLeftContactUS.txtLEmail.focus();	
			return (false);
		}
	}	
	if(document.frmLeftContactUS.txtLCompany.value == "")
	{
		alert("* Please enter company name.");
		document.frmLeftContactUS.txtLCompany.focus();
		return false;
	}
}