var val=new Array();
function checkValues(n)
{
	var numexp = /^[\d]+$/;
	for(var i=0;i<n;i++)
	{
		val[i] = document.getElementById('vwqty'+i).value;
		var elem = document.getElementById('vwquantity'+i);
		if(!((elem.value >= val[i] || elem.value==0 || elem.value=="") && elem.value.match(numexp)))
		{
			alert("The entered number of quantity should be more or equal to "+val[i]);
			elem.select();
			return false;
			exit();
		}
	}
	return true;
}