function addItemToCart(url, partNoElement, qtyElement) {
    var params = '&' + eval(partNoElement).name + '=' + eval(partNoElement).value
		   			+ '&' + eval(qtyElement).name + '=' + eval(qtyElement).value
    window.location.href = url + params;
}

function addFrameToCart(url, partNoElement1) {
    if (eval(partNoElement1).value == "") {
        alert("请选择框架眼镜规格");
        return;
    }
    var params = '&partno_=' + eval(partNoElement1).value
    window.location.href = url + params;
}

function addItemToCart1(url, partNoElement1) {
    if (eval(partNoElement1).value == "") {
        alert("请选择眼镜度数");
        return;
    }
    var params = '&partno_=' + eval(partNoElement1).value
    window.location.href = url + params;
}

//添加多个商品到购物车
function addItemsToCart(url, partNoElement1, partNoElement2) {
    if (eval(partNoElement1).value == "" || eval(partNoElement2).value == "") {
        alert("请选择眼镜度数");
        return;
    }
    var params = '&partno_le=' + eval(partNoElement1).value
		   			+ '&partno_re=' + eval(partNoElement2).value
    window.location.href = url + params;
}

// 设置数量为1
function qtyOne(thefield) {
    if (thefield.value == "") thefield.value = "1";
    thefield.select();
}

String.prototype.trim = function() {
    return this.replace(/(^\s*)|(\s*$)/g, "");
}
String.prototype.Trim = function() {
    return this.replace(/(^\s*)|(\s*$)/g, "");
}

self.onError=null;
currentX = currentY = 0; 
whichIt = null; 
lastScrollX = 0; lastScrollY = 0;
NS = (document.layers) ? 1 : 0;
IE = (document.all) ? 1: 0;

function heartBeat() {
	if(IE) { 
		diffY = document.documentElement.scrollTop;
		if (diffY == 0){
			diffY = document.body.scrollTop;
		}
		diffX = 0;
	}
	if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
	
	if(diffY != lastScrollY) {
		percent = .1 * (diffY - lastScrollY);
		
		if(percent > 0) percent = Math.ceil(percent);
		else percent = Math.floor(percent);
		
		if(IE) document.getElementById("olright").style.pixelTop += percent;
		if(NS) document.floater.top += percent; 
		
		lastScrollY = lastScrollY + percent;
	}
	
	if(diffX != lastScrollX) {
		percent = .1 * (diffX - lastScrollX);
		
		if(percent > 0) percent = Math.ceil(percent);
		else percent = Math.floor(percent);
		
		if(IE) document.getElementById("olright").style.pixelLeft += percent;
		if(NS) document.floater.top += percent;
		
		lastScrollY = lastScrollY + percent;
	} 

}

if (NS || IE) action = window.setInterval("heartBeat()", 1);