window.onload=initialise;

function initialise(){
setOffers();
}


function updatePanel(targ){

	document.getElementById("panelstart").className = "panelOff";
	document.getElementById("IndianSub").className = "panelOff";
	document.getElementById("NAmerica").className = "panelOff";
	document.getElementById("CAmerica").className = "panelOff";
	document.getElementById("SAmerica").className = "panelOff";
	document.getElementById("Europe").className = "panelOff";
	document.getElementById("MidEast").className = "panelOff";
	document.getElementById("Africa").className = "panelOff";
	document.getElementById("FarEast").className = "panelOff";
	document.getElementById("SEAsia").className = "panelOff";

	
	document.getElementById(targ).className = "panel";

}

var j = 1;
var offers = new Array();
var k = 0;

function setOffers(){

	if(document.getElementById("backLink")){
		var divlyrs = document.getElementsByTagName("div");
		
		document.getElementById("backLink").style.display = "none";
		
		//alert(divlyrs.length);
		
		for(var i=0;i<divlyrs.length;i++){
			
			if(divlyrs[i].getAttribute("id")){
	
				//alert(divlyrs[i].getAttribute("id").indexOf("offer"))
			
				if(divlyrs[i].getAttribute("id").indexOf("offer")==0){
				offers[k] = divlyrs[i].getAttribute("id");
				k++
				}
	
			}
		}
	}
}

function chgOffer(button){
	

	if(button=="back" && j>1){j--;}
	else if(button=="next" && j<offers.length){j++;}
	else{j=1;}
	
	if(j==offers.length){document.getElementById("nextLink").style.display = "none";}
	else{document.getElementById("nextLink").style.display = "block";}
	
	if(j==1){document.getElementById("backLink").style.display = "none";}
	else{document.getElementById("backLink").style.display = "block";}
	
	if(j>0){
		for(i=0;i<offers.length;i++){
		document.getElementById(offers[i]).className = "bestsellers-off";
		}
	
	document.getElementById("offer"+j).className = "";
	}

	return false;
}