function MM_findObj(n, d) { //v4.01
	var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
	var i,p,v,obj,args=MM_showHideLayers.arguments;
	for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
		if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
		obj.visibility=v; }
}


	function select_tab(tab, cell) {
		// Remove the selection class from all tabs
		$A(document.getElementsByClassName('services_selected')).each(function(n) {
			//Element.addClassName(n, 'services_normal');
			Element.removeClassName(n, 'services_selected');
		});

		// Now set this tab to be selected
		//Element.removeClassName(cell, 'services_normal');
		Element.addClassName(cell, 'services_selected');

		// Hide the currently shown tab
		var selected = null;
		$A(document.getElementsByClassName('tab_content')).each(function(n) {
			n.style.display = 'none';
			if (n.id == 'tab_content_'+tab) {
				selected = n;
			}
		});

		if (selected) {
			selected.style.display = '';
		}
	}