var url = "";
	var categories = [];
	
	categories["startList"] = ["Durban"]
	categories["Durban"] = ["Durban Fashion Show 2008"];
	categories["Durban Fashion Show 2008"] = ["Launch", "Day 1", "Day 2", "Day 3", "Day 4"];
	categories["Launch"] = ["Launched to the MAX", "Fashions all about glamour, right", "Cafe Society", "The Cradle of Young Talent", "Green With Envy", "Gavin Rajah", "All Grown Up"];
	categories["Day 1"] = ["Durban Dazzles","Cafe Society", "On The Catwalk", "Sex and The City", "Suited To Success", "On The Catwalk Continued"];	
	categories["Day 2"] = ["Cafe Society", "On The Catwalk", "Its all about the label", "A Day In A Life Of", "Save Our Children"];
	categories["Day 3"] = ["Bloomin Marvellous", "Cafe Society", "On the Catwalk", "Fashion Exchange", "Spring Leap", "Durban Fashion Council"];
	categories["Day 4"] = ["Message from the Publisher", "Its a Wrap", "La Belle", "Diversity", "On the Catwalk"];

	var nLists = 4; // number of lists in the set

	function fillSelectList(currCat,currList){			
		var step = Number(currList.name.replace(/\D/g,""));				
		document.forms[0]['List'+step].disabled=false;
		for (i=step; i<nLists+1; i++)
			{
			 document.forms[0]['List'+i].length = 1;
			 document.forms[0]['List'+i].selectedIndex = 0;
			}
		var nCategory = categories[currCat];
		for (each in nCategory)
			{
			 var nOption = document.createElement('option'); 
			 var nData = document.createTextNode(nCategory[each]); 
			 nOption.setAttribute('value',nCategory[each]); 
			 nOption.appendChild(nData); 
			 currList.appendChild(nOption); 
			} 
	}

	function getValue(isValue){
		url = url + isValue; 
		var tempUrl = document.forms[0]['List1'].value + "/" +
		document.forms[0]['List2'].value + "/" + 
		document.forms[0]['List3'].value + "/" +
		document.forms[0]['List4'].value + ".html";
		displayContent(tempUrl);			
	}


	function initDropDown(){
		fillSelectList('startList',document.forms[0]['List1']);
		disableNavigation();
		
	}
	
	function disableNavigation(){
		document.forms[0]['List2'].disabled=true;
		document.forms[0]['List3'].disabled=true;
		document.forms[0]['List4'].disabled=true;
	}

	onload=initDropDown;