function addtocart(productid){
	var ajaxRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	// Create a function that will receive data sent from the server
	ajaxRequest.onreadystatechange = function(){
		if(ajaxRequest.readyState == 4){
		var divid = "cart" + productid;
			var ajaxDisplay = document.getElementById(divid);
			ajaxDisplay.innerHTML = ajaxRequest.responseText;
var zero = "zero" + productid;
document.getElementById(zero).selected = true;

		}
	}
	
	var quantityid = "qnt" + productid;
	var quantity = document.getElementById(quantityid).value;
	
	var queryString = "?quantity=" + quantity + "&productid=" + productid;
	ajaxRequest.open("GET", "scripts/addtocart.php" + queryString, true);
	ajaxRequest.send(null); 
}