function preloadImages() { //v3.0
	var d=document;
	if(d.images){
  		if(!d.p)
			d.p=new Array();
		var i, j = d.p.length, a = preloadImages.arguments;
		for( i = 0; i < a.length; i++ )
    		if ( a[i].indexOf("#") != 0 ){
				d.p[j] = new Image;
				d.p[j++].src = a[i];
			}
	}
}

function onMouseOver() {
	//show the dropdown menu
	var a = onMouseOver.arguments;
	var popupMenu = document.getElementById(a[0]+'Pop');

	// display popup windows
	popupMenu.style.visibility = 'visible';
	document.getElementById(a[0]).style.color = '#740000';
	document.getElementById(a[0]).style.borderBottom = '5px solid #740000';
}

function onMouseOut() {
	var a = onMouseOut.arguments;
	var popupMenu = document.getElementById(a[0] + 'Pop');
	// hide popup window
	popupMenu.style.visibility = 'hidden';
	document.getElementById(a[0]).style.color = '#747474';
	document.getElementById(a[0]).style.borderBottom = '5px solid #A8A8A8';
}