function adjustLeftDivHeight(){
	var bodyheight = document.getElementById("body_zong").scrollHeight;
	var height1=document.getElementById("left_zong").scrollHeight;
/*	if (bodyheight > 1110){
	document.getElementById("left_kuang1").style.height = bodyheight+"px";
	}
	else{		
	var leftheight=document.getElementById("left_zong").offsetHeight;
	document.getElementById("body_zong").style.height = leftheight+"px";
	}*/
	if (height1 > bodyheight){
			document.getElementById("center").style.height=height1+108+"px";
		}else{
			document.getElementById("center").style.height=bodyheight+108+"px";
	}
}