var mainclass;

function changeClass(myElementStyle){
	document.getElementById('topmenu').className=myElementStyle;
	if(myElementStyle!=mainclass){
		var menuElement = document.getElementById("tm"+myElementStyle).getElementsByTagName("DIV");
		if(menuElement.length>0){ 
			menuElement[0].style.display = 'block';
		}
		var menuElement = document.getElementById("tm"+mainclass).getElementsByTagName("DIV");
		if(menuElement.length>0){ 
			menuElement[0].style.display = 'none';
		}
	}
}

function setClass(myElementStyle){
	mainclass=myElementStyle;
	document.getElementById('topmenu').className=myElementStyle;
	document.getElementById('upmenu').className=myElementStyle;
	var menuElements = document.getElementById("tm"+mainclass).getElementsByTagName("UL");
	menuElements[0].className="hover";
	var menuElements = document.getElementById("tm"+mainclass);
	menuElements.onmouseover=function(){
		document.getElementById('topmenu').className=myElementStyle;
		var menuElement1 = this.getElementsByTagName("UL");
		menuElement1[0].className=menuElement1[0].className.replace("hover","");
		
		var menuElement2 = this.getElementsByTagName("A");
		for (var i=0; i<menuElement2.length; i++) {
			if(menuElement2.length>0){ 
				menuElement2[i].className=menuElement2[i].className.replace("sel","selno");			
			}
		}
	}
	menuElements.onmouseout=function() {
		var menuElement1 = this.getElementsByTagName("UL");
		menuElement1[0].className="hover";
		var menuElement2 = this.getElementsByTagName("A");
		for (var i=0; i<menuElement2.length; i++) {
			if(menuElement2.length>0){ 
				menuElement2[i].className=menuElement2[i].className.replace("selno","sel");			
			}
		}
	}
	var menuElement = document.getElementById("tm"+mainclass).getElementsByTagName("DIV");
	if(menuElement.length>0){ 
		menuElement[0].style.display = 'block';
	}
}

function backClass(nmID){
	document.getElementById('topmenu').className=mainclass;
	var menuElement = document.getElementById("tm"+nmID).getElementsByTagName("DIV");
	if(menuElement.length>0){ 
		menuElement[0].style.display = 'none';
	}
	var menuElement = document.getElementById("tm"+mainclass).getElementsByTagName("DIV");
	if(menuElement.length>0){ 
		menuElement[0].style.display = 'block';
	}
}