function addLoadEvent(func) {
	var oldonload = window.onload;
	if(typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {	
			oldonload();
			func();
		}
	}
}

function initSubModual(oMd) {
	if(!document.getElementById("subMenu")) return;
	var subBox = document.getElementById("subMenu");	
	
	subBox.style.display = "block";
	if(oMd && document.getElementById(oMd)){
		subMd = document.getElementById(oMd);
		subMd.className = "selectlink";
	}
	
}

function initModual(oMd) {
	if(!oMd || !document.getElementById(oMd)) return;
	var md = document.getElementById(oMd);
	md.className = "activelink";
}