function addToCart(id,q,option) {
		var request;
		var url = 'cart.cgi?action=add&id='+id+'&q='+q+'&option='+option+'&unique='+Date();
		try {
			request=new XMLHttpRequest();
		} catch(e) {
			request=new ActiveXObject("Microsoft.XMLHTTP");
		}
			
			request.onreadystatechange=function() {
				if (request.readyState==4) {
					document.getElementById('cartBox').innerHTML = request.responseText
				}
			}
			request.open("GET",url,true);
			request.send(null);
}
function emptyCart() {
		var request;
		var url = 'cart.cgi?action=empty&unique='+Date();
		try {
			request=new XMLHttpRequest();
		} catch(e) {
			request=new ActiveXObject("Microsoft.XMLHTTP");
		}
			
			request.onreadystatechange=function() {
				if (request.readyState==4) {
					document.getElementById('cartBox').innerHTML = request.responseText
				}
			}
			request.open("GET",url,true);
			request.send(null);
}
function batCategory(cId) {
		var request;
		var url = 'catalog.cgi?c='+cId+'&unique='+Date();
		try {
			request=new XMLHttpRequest();
		} catch(e) {
			request=new ActiveXObject("Microsoft.XMLHTTP");
		}
			
			request.onreadystatechange=function() {
				if (request.readyState==4) {
					document.getElementById('contentArea').innerHTML = request.responseText
				}
			}
			request.open("GET",url,true);
			request.send(null);
}
function reSort(cId,s,sd) {
		var request;
		var url = 'catalog.cgi?c='+cId+'&s='+s+'&sd='+sd+'&unique='+Date();
		try {
			request=new XMLHttpRequest();
		} catch(e) {
			request=new ActiveXObject("Microsoft.XMLHTTP");
		}
			
			request.onreadystatechange=function() {
				if (request.readyState==4) {
					document.getElementById('contentArea').innerHTML = request.responseText
				}
			}
			request.open("GET",url,true);
			request.send(null);
}