//<iframe id='iframe_zindex_hack' scrolling='no' frameborder='0' style="background:#FF0000;"></iframe>

function setLayer(elem) {
	var setwidth = $(elem).offsetWidth;
	var setheight = $(elem).offsetHeight;
	var setleft = $(elem).offsetLeft;
	var settop = $(elem).offsetTop;
	
	var parent = $(elem).parentNode;
	
	var frame = document.createElement('iframe');
 	frame.setAttribute('id', 'iframe_zindex_hack_' + elem);
 	frame.setAttribute('scrolling', 'no');
 	frame.setAttribute('frameborder', '0');	
 	frame.setAttribute('style', 'position: absolute;');
 	parent.insertBefore(frame, parent.firstChild);

		
	$('iframe_zindex_hack_' + elem).setStyle('position', 'absolute');
	$('iframe_zindex_hack_' + elem).setStyle('z-index', '1');	
	$('iframe_zindex_hack_' + elem).setStyle('width', setwidth);
	$('iframe_zindex_hack_' + elem).setStyle('height', setheight);
	$('iframe_zindex_hack_' + elem).setStyle('left', setleft);
	$('iframe_zindex_hack_' + elem).setStyle('top', settop);
	$('iframe_zindex_hack_' + elem).setStyle('display', 'block');
	
	parent.setStyle('z-index', '1000');
}

function hideLayer(elem) {
	var parent = $(elem).parentNode;
	parent.removeChild($('iframe_zindex_hack_' + elem));
	parent.setStyle('z-index', '1');
}