// JavaScript Document
/**
 功能：获取鼠标坐标值
*/
function mousePosition(ev) {
 if(ev.pageX || ev.pageY){
    return {x:ev.pageX, y:ev.pageY};
 }
 //下面返回的是IE的坐标值
 return { x:ev.clientX + document.body.scrollLeft - document.body.clientLeft,y:ev.clientY + document.body.scrollTop-document.body.clientTop
 };
}



/*左边功能小方块中显示效果*/
function showBg(id,imgurl3,imgurl2){
	document.getElementById(id).style.backgroundImage="url("+imgurl3+")";
	document.getElementById(id+"1").style.backgroundImage="url("+imgurl3+")";
}
function showBgout(id,imgurl){
	if(id!=document.getElementById("showBgId").value){
	 document.getElementById(id).style.backgroundImage="url("+imgurl+")";
	 document.getElementById(id+"1").style.backgroundImage="url("+imgurl+")";
	}
}