// switch to tag ie
var isIE = (document.compatMode && document.all) ? true : false; // IE 6+

// utility function to get last item of a path or url
function getFile(path) {
	ar = path.split("/");
	return(ar[ar.length-1]);
}

// general utility function to swap hi-lo images
function imgSwap(id,lo,hi) {
	img = $(id);
	ar = img.src.split("/");
	cursrc = getFile(img.src);
	hisrc = getFile(hi);
	losrc = getFile(lo);
	//alert(cursrc);
	//alert(hisrc);
	if(cursrc == hisrc) {
		img.src = lo;
	} else {
		img.src = hi;
	}
}

// simple wrapper for opening a page
function goTo(url) {
	window.location = url;
}

// if field value is default, clear it
function clearDefault(val,id) {
	id = "#"+id;
	cur = $(id).val();
	if(cur == '') {
		$(id).val(val);
	} else if(cur == val) {
		$(id).val('');
	}
}