function setHeights(){
	if(document.getElementById("home")) return;
	if(oLeftcon.offsetHeight>oRightcon.offsetHeight){
		oMaincontent.style.height=oMaincontent.offsetHeight+oLeftcon.offsetHeight-oRightcon.offsetHeight-2+"px";
		oMspace.style.display="none";
		if(document.getElementById("home")){
			oHome.style.height=oMaincontent.offsetHeight+"px";
		}
	}
	if(oLeftcon.offsetHeight<oRightcon.offsetHeight-20){
		oMspace.style.height=oRightcon.offsetHeight-oLeftcon.offsetHeight-10+"px";
		oMspace.style.display="block";
		if(document.getElementById("home")){
			oHome.style.height=oMaincontent.offsetHeight-2+"px";
		}
	}
}

if(document.getElementById("leftcon")&&document.getElementById("rightcon")&&document.getElementById("maincontent")&&document.getElementById("mspace")){
	oLeftcon=document.getElementById("leftcon");
	oRightcon=document.getElementById("rightcon");
	oMaincontent=document.getElementById("maincontent");
	oMspace=document.getElementById("mspace");
	oHome=document.getElementById("home");
	aItems=document.getElementsByTagName("img");
	for(i=0;i<aItems.length;i++){
		aItems[i].onload=setHeights;
	}
	setHeights();
}