$(document).ready(function(){
	if(!document.getElementById("cImg")) return false;
	var cImg=document.getElementById("cImg").getElementsByTagName("img");
	var map=document.getElementById("Map");
	var area=map.getElementsByTagName("area");
	for(var i=0;i<area.length;i++){
		area[i]._index=i;
		area[i].onmouseover=function(){
			switch(area[this._index]){
				case area[0]:cImg[0].src="images/movies_menu.png";
				break;
				case area[1]:cImg[0].src="images/teleplay_menu.png";
				break;
				case area[2]:cImg[0].src="images/active_menu.png";
				break;
				case area[3]:cImg[0].src="images/music_menu.png";
				break;
				case area[4]:cImg[0].src="images/yiren_menu.png";
				break;
				default:return false;
			}
		}
	}
});