function DropdownList()
{
	this.fill =
		function(ddId, displayItems, selectedId, addBlankItem) {
			var dd = document.getElementById(ddId);
			dd.length = 0;
			var j = 0;
			if(addBlankItem) {
				dd.options[0] = new Option('',0);
				j = 1;
				
			}
			for(var i=0; i<displayItems.length; i++) {
				dd.options[j] = new Option(displayItems[i][1],displayItems[i][0]);
				if(displayItems[i][0] == selectedId) {
					dd.options[j].selected = true;
				}
				j++;
			}
		};
}