document.getElementById('').innerHTML = "<span id=\"jscart\" class=\"jscart_Style1\"><a href=\"javascript:showcart();\">您的购物车中有 0 件商品，总计金额 ￥0.00</a></span>";

function showcart(){
		document.getElementById("boxName").innerHTML="查看购物车";
	if(document.getElementById("boxClose")) document.getElementById("boxClose").innerHTML="×"; 
	document.getElementById("showiframe").src="http://box2js.pc51.com/exusers/u_cart.php?idweb=15450&act=show&lang=&v=";
	box.Show({width:"960px",height:"500px"}); 
	}