function check_product_max(name)
			{		
			old_value = document.getElementById(name).value;
			t = name.split("_");		
			if (document.getElementById('productmaxqty_'+t[1]) && document.getElementById('productmaxqty_'+t[1]).value != -1)		
					{		
					max_value = document.getElementById('productmaxqty_'+t[1]).value;		
					if (parseInt(old_value) > parseInt(max_value))		
						{		
						alert("Only "+max_value+" Products Are Available.");		
						document.getElementById('productqty_'+t[1]).value = max_value;		
						return false;
						}
					}
			return true;
			}
		function check_quantity(evt,name,value)
			{		
			old_value = document.getElementById(name).value;		
			if(old_value.length < 2)		
					{	
					var charCode = (evt.which) ? evt.which : event.keyCode		
					if (charCode > 31 && (charCode < 48 || charCode > 57))
						{		
						alert("only Digits are Allowed");		
						return false;		
						}		
					return true;		
					}		
			}