function init()
{
	var menuBlock = document.getElementById("menu");
	var menuItems = menuBlock.getElementsByTagName("IMG");

	for(var i = 0; i < menuItems.length; i++)
	{
		menuItems[i].onmouseover = imgHover;
		menuItems[i].onmouseout  = imgHover;
	}

	var leftMenuBlock = document.getElementById("left_menu");
	var leftItems = leftMenuBlock.getElementsByTagName("A");
	
	for(var i = 0; i < leftItems.length; i++)
	{
		leftItems[i].onmouseover = leftHover;
		leftItems[i].onmouseout  = leftHover;
	}

}

function imgHover(e)
{
	if(!e) 
		var e = event;

	if(e.type == "mouseover")
		this.src = "images/menu" + getMenuNum(this.src.split(/menu/)[1]) + "_1.gif"
	else
		this.src = "images/menu" + getMenuNum(this.src.split(/menu/)[1]) + ".gif"
}

function leftHover(e)
{
	if(!e) 
		var e = event;
	var pic = this.getElementsByTagName("IMG");
	if(e.type == "mouseover")
		pic[0].src = "icoimg/left_menu" + getMenuNum(pic[0].src.split(/menu/)[1]) + "_1.gif"
	else
		pic[0].src = "icoimg/left_menu" + getMenuNum(pic[0].src.split(/menu/)[1]) + ".gif"

}

function getMenuNum(objID)
{	
	var num = "";
	for(i = 0; i < objID.length; i++)
	{
		if(isNaN(parseInt(objID.charAt(i), 10)))
			break;

		num += objID.charAt(i);
	}
	return num;
}