function getElement(id){
	var elem=document.getElementById(id);
	if(elem) return elem;
}

function swapImage(id, newsrc){
	
	//var img = IE? eval("document.all."+elemID) : document.getElementById(elemID);			
	var img = document.getElementById(id);			
	if(img){
		if(newsrc) img.src=newsrc;		
	}	
}

function openProductCategory(id){
	elem =  document.getElementById('children_'+id);		
	//alert(elemLink.id);
	if(elem)
		if(elem.style.display=="none"){
			elem.style.display = "";
			swapImage('product_bullet_'+id, 'img/minus.gif');
		}else{
			elem.style.display = "none";
			swapImage('product_bullet_'+id, 'img/plus.gif');
		}
		
}

function changeElemView(id){
	elem =  document.getElementById(id);		
	//alert(elemLink.id);
	if(elem)
		elem.style.display = (elem.style.display=="none") ? "" : "none";		
}