var img_off = new Array();
var img_on = new Array();

function preload(name,url,url_on){
	img_off[name] = new Image();img_off[name].src = url;
	img_on[name] = new Image();img_on[name].src = url_on;
}

function Mover(num) {
	if(navigator.appVersion.charAt(0) >= "3") {
		document.images[num].src = img_on[num].src;
	}
}

function Mout(num) {
	document.images[num].src = img_off[num].src;
}

function Mover2(num,num2) {
	if(navigator.appVersion.charAt(0) >= "3") {
		document.images[num2].src = img_on[num].src;
	}
}

function Mout2(num,num2) {
	document.images[num2].src = img_off[num].src;
}
//topmenu
preload("contact","common/images/btn_contact.gif","common/images/btn_contact_o.gif");
preload("blog","common/images/btn_blog.gif","common/images/btn_blog_o.gif");