function pad(){
	
	if(typeof(minHeight) == "undefined"){
		minHeight = 600;
	}
	var p = Math.max(document.getElementById("mainContent").offsetHeight,document.getElementById("right").offsetHeight);
	var m = Math.max(p,minHeight);
	document.getElementById("right").style.height = m+"px";
	//document.getElementById("mainContent").style.height = (m+document.getElementById("foot").offsetHeight)+"px";
	if (p > document.getElementById("mainContent").offsetHeight){
	document.getElementById("foot").style.marginTop = (document.getElementById("right").offsetHeight/2)+"px";
	}
	//document.getElementById("foot").style.margin = (document.getElementById("mainContent").style.height+document.getElementById("mainContent").style.top)+"px 0px 0px 0px";
	
	//alert("p:"+p+", off:"+document.getElementById("mainContent").offsetHeight);
}