function switchHotDeal(off, on){
	if(off != on){			
		document.getElementById(on).style.display = "";			
		document.getElementById(off).style.display = "none";
		
		var dropDownLen = document.getElementById("dd" + on).options.length;
		for (i = 0; i < dropDownLen; i++){
			if (document.getElementById("dd" + on).options[i].value == on){
				document.getElementById("dd" + on).options[i].selected = true;				
			}
		}		
	}			
}