function cartck(){
		var pit = document.getElementById("product-info-table");
		var selts = pit.getElementsByTagName("select");

		for (var i=0; i < selts.length; i++){
			if(selts[i].className = "required"){
				if(selts[i].selectedIndex <= 0)
					{ 
						alert("Please select an option!");
						return false;
					}
			}
		}
}


function qtyck(num, obj){
	if(obj.value < num){
		obj.value = num;	
	}else{
		return true;
	}
}