function activateNav(id){
	document.getElementById(id).className = 'active'
}
function activateProduct(id){
	document.getElementById('product_'+id).className = 'activeItem'
}
function activateCategory(id){
	document.getElementById('cat_'+id).className = 'activeItem'
}



function highlightNav(navName){
	document.getElementById(navName).className = "active"
}

function makeVisible(thisDiv){
	document.getElementById(thisDiv).style.display = "inline";
}
function makeInvisible(thisDiv){
	document.getElementById(thisDiv).style.display = "none";
}

function ShowOrHideLayer(thisLayer){
	if (document.getElementById(thisLayer).style.display == "none"){
		makeVisible(thisLayer);
	} else {
		makeInvisible(thisLayer)
	}
}

function doPopup(URL,w,h){
	thisWindow = window.open(URL, "popWin", "toolbar=1, scrollbars=1, location=0, statusbar=0, menubar=0, resizable=1, width=" + w + ", height= " + h);
}

function selectProductFromPulldown(fieldname){
	var newIndex = fieldname.selectedIndex; 
	if ( newIndex == 0 ) { 
		alert( "Please select a location!" ); 
	} else { 
		var productID = fieldname.options[ newIndex ].value; 
		var url = "product-detail.php?p="+productID
		window.location.assign( url ); 
	} 
	//alert(selectElement.[selectedIndex])	
}