function ConnectedSelect(selIdList){
	for(var i=0;selIdList[i];i++) {
		var CS = new Object();
		var obj = document.getElementById(selIdList[i]);
		if(obj != null){
			if(i){
				CS.node=document.createElement('select');
				var GR = obj.getElementsByTagName('optgroup');
				while(GR[0]) {
					CS.node.appendChild(GR[0].cloneNode(true));
					obj.removeChild(GR[0]);
				}
				obj.disabled = true;
			}
			if(selIdList[i+1]) {
				CS.nextSelect = document.getElementById(selIdList[i+1]);
				obj.onchange = function(){
					ConnectedSelectEnabledSelect(this);
					selectArea(this);
				};
			} else {
				CS.nextSelect = false;
			}
			obj.ConnectedSelect = CS;
		}
	}
}

function ConnectedSelectEnabledSelect(oSel){
	if(oSel != null){
		var oVal = oSel.options[oSel.selectedIndex].label;
		if(oVal) {
			while(oSel.ConnectedSelect.nextSelect.options[1])oSel.ConnectedSelect.nextSelect.remove(1);
			var eF = false;
			for(var OG=oSel.ConnectedSelect.nextSelect.ConnectedSelect.node.firstChild;OG;OG=OG.nextSibling) {
				if(OG.label == oVal) {
					eF = true;
					for(var OP=OG.firstChild;OP;OP=OP.nextSibling)
						oSel.ConnectedSelect.nextSelect.appendChild(OP.cloneNode(true));
					break;
				}
			}
			oSel.ConnectedSelect.nextSelect.disabled = !eF;
		} else {
			oSel.ConnectedSelect.nextSelect.selectedIndex = 0;
			oSel.ConnectedSelect.nextSelect.disabled = true;
		}
		if(oSel.ConnectedSelect.nextSelect.onchange)oSel.ConnectedSelect.nextSelect.onchange();
	}
}