onload=function() {

var divh = document.getElementById('content').offsetHeight;

     //alert(divh +"px");
	if (divh > 200) {
		document.getElementById("cabinetMiddle").style.height = divh-100 +"px";
	} else {
		document.getElementById("cabinetMiddle").style.height = divh +"px";
	}
	document.getElementById("wrapper").style.visibility = "visible"

 }