var mainMenu = {

	init : function(winWr) {
		this.winWr	= (winWr)? winWr : window._wrapper;
		this.winWr.setOnloadListener(this);
	},
	
	onload : function (evtWr) {

		var i;
		this.divMainMenu = this.winWr.getElement("mainmenu");

		var links = this.divMainMenu.elm.getElementsByTagName("a");
		for (i=0; i < links.length; i++){
			linkId = links[i].getAttribute("id");

		var par = this.winWr.getElmWrapper(links[i]);
			par.addListener(this, "onmouseover", "show_content");
			par.addListener(this, "onmouseout", "hide_content");
		}
	},
	show_content : function (evtWr)
	{
	var id = evtWr.elmWr.elm.id;
	var num = id.slice(1);
		if (this.winWr.checkElement("sd"+num)){
		var content = this.winWr.getElement("sd"+num);
		
		content.show();
		
		}
	},
	
	hide_content : function (evtWr)
	{
		var id = evtWr.elmWr.elm.id;
		var num = id.slice(1);
		if (this.winWr.checkElement("sd"+num)){
			var content = this.winWr.getElement("sd"+num);
			content.hide();
		}
	}

}