function IEHoverPseudo() {

	var navItems = document.getElementById("main_menu").getElementsByTagName("div");;
	
	for (var i=0; i<navItems.length; i++) {
		if(navItems[i].className == "btn1") {
			navItems[i].onmouseover=function() { this.className += "_on"; }
			navItems[i].onmouseout=function() { this.className = "btn1"; }
		}		if(navItems[i].className == "btn2") {
			navItems[i].onmouseover=function() { this.className += "_on"; }
			navItems[i].onmouseout=function() { this.className = "btn2"; }
		}
		if(navItems[i].className == "btn3") {
			navItems[i].onmouseover=function() { this.className += "_on"; }
			navItems[i].onmouseout=function() { this.className = "btn3"; }
		}
		if(navItems[i].className == "btn4") {
			navItems[i].onmouseover=function() { this.className += "_on"; }
			navItems[i].onmouseout=function() { this.className = "btn4"; }
		}
		if(navItems[i].className == "btn5") {
			navItems[i].onmouseover=function() { this.className += "_on"; }
			navItems[i].onmouseout=function() { this.className = "btn5"; }
		}
		if(navItems[i].className == "btn6") {
			navItems[i].onmouseover=function() { this.className += "_on"; }
			navItems[i].onmouseout=function() { this.className = "btn6"; }
		}

	}

}
window.onload = IEHoverPseudo;