// Left multi-level menu 
var jsvhover = function(){
	var nodes = document.getElementById("lm").getElementsByTagName("li");
	for (var i=0; i<nodes.length; i++){
		nodes[i].onmouseover = function(){
			this.className += " jsvhover";
		}
		nodes[i].onmouseout = function(){
			this.className = this.className.replace(new RegExp(" jsvhover\\b"), "");
		}
	}
}

var jshhover = function(){
	var nodes = document.getElementById("tm").getElementsByTagName("li");
	for (var i=0; i<nodes.length; i++){
		nodes[i].onmouseover = function(){
			this.className += " jsvhover";
		}
		nodes[i].onmouseout = function(){
			this.className = this.className.replace(new RegExp(" jsvhover\\b"), "");
		}
	}
}

function footer_size(){
	var diff = document.documentElement.clientHeight-document.body.offsetHeight;
	if(diff > 0){
		document.getElementById('middle_column').style.height = (diff+228)+'px';
	}
}

window.onload = function(){
	jsvhover();
	jshhover();
	//footer_size();
}