function getSubNav(sSelected,bGoToLocation) {
	sSelected = sSelected.options[sSelected.selectedIndex].value;
	if ((sSelected != "") || (sSelected != null)) {
		initialiseDrops(sSelected);
	}
}
function goToPage(sDest) {
	sDest = sDest.options[sDest.selectedIndex].value;
	sDest = "cbo" + sDest;
	sDest = document.frmSubDrop[sDest].value;	
	if (sDest != "") {
		document.location.href = sDest;
	}
}
function initialiseDrops(sDropDown) {
	hideAllLayers('div','lyr');
	sDropDown = document.getElementById([sDropDown]);
	sDropDown.className = "displayBlock";
}

function hideAllLayers (sTag,sID) {
	var allPageTags = new Array();
	var allPageTags = document.getElementsByTagName([sTag]);
	var fullCount = allPageTags.length -1;
	for (i=0;i<=fullCount;i++) {
		var currentLayer = allPageTags[i].id.indexOf([sID]);
		if (currentLayer != -1) {
			currentLayer = document.getElementById([allPageTags[i].id]);
			currentLayer.className = "displayNone";
		}
	}
}