function createFilter() {
	
	//
	if (!document.getElementsByTagName) return;
	//Check were on the right page
	if (!document.getElementById("categories")) return;
	
	//get the element to open
	var element = document.getElementById("categories");
	
	//Show
	element.style.display = "block";
	
	//Forms
	var theForm = document.getElementById("filter-clients");
	
	var selectList = document.getElementById("selectIndursty");
	
	selectList.onchange = filter; 
	
}

function filter() {
	var selected = this.options[this.selectedIndex];
	
	var theForm = document.getElementById("filter-clients");
	
	if(selected.id == "showAll") {
		
		theForm.action = "/clients.html";
	
	} else {
		
		theForm.action = "/client/industry/" + selected.id;
		
	}
	
	theForm.submit();
}

addLoadEvent(createFilter);