/*
 *	Author		: Jarrett & Lam Consulting
 *	Filename	: dropDown.js
 *	Modified	: 26th October 2007
 *
 */

sfHover = function() {
	var sfEls = document.getElementById("menu").getElementsByTagName("LI");
	
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function toggleShowHideLayer ( stringObject ) {
	objElement = document.getElementById( stringObject );
	if ( objElement.style.display == 'block' ){
		objElement.style.display = 'none';
	} else {
		objElement.style.display = 'block';		
	}
}

function toggleShowHideLayerAndChildren ( stringObject ) {
	objElement = document.getElementById( stringObject );
	if ( objElement.style.display == 'block' ){
		objElement.style.display = 'none';
		d = objElement.getElementsByTagName('div');
		j=0;
		var cl = new Array()
		for(i=0;i<d.length;i++){
			if(d[i].className == 'category'){
				d[i].style.display='none';
			}
		}
	} else {
		objElement.style.display = 'block';		
	}
}