function checkcart()
{
	if(document.frm.cart.value == "y")
	{
		if(confirm("If you login your cart items will be deleted.\n Proceed further?"))
		{
			return chkForm();
		}
		else
		{
			return false;
		}
	}
	else
	{
		return chkForm();
	}
}
function chkForm()
{
	var pattern = /^[a-zA-Z0-9_]*$/;
		if(isNull(document.frm.username.value))
	{
		alert("Please enter Username");
		document.frm.username.focus();
		return false;
	}
	if(isNull(document.frm.password.value))
	{
		alert("Please enter Password");
		document.frm.password.focus();
		return false;
	}
	
	if( pattern.test(document.frm.password.value) == false )
	{
		alert("Please enter valid Password");
		document.frm.password.focus();
		return false;
	}	
	return true;
}

	
	function mVerifyDealerForm()
	{
		var frm=document.frmDealer;
		if(isNull(frm.txt_zip.value))
		{
			alert("Please enter zip code");
			frm.txt_zip.focus();
			return false;
		}

		if(isNaN(frm.txt_zip.value))
		{
			alert("Please enter valid zip code");
			frm.txt_zip.focus();
			return false;
		}

			if(trim(frm.txt_zip.value).length>5)
		{
			alert("Please enter valid zip code");
			frm.txt_zip.focus();
			return false;
		}
		if(isNull(frm.cmb_distance.value))
		{
			alert("Please select Proximity");
			frm.cmb_distance.focus();
			return false;
		}

		return true;
	}