//URL Variable Reader
function params(wut,qp,dflt){ dflt=(dflt==null)?'':dflt; try{r=unescape(wut.match(new RegExp(qp+"=+([^&;]*)"))[1]);}catch(qp){r=dflt;} return r; }


//read and return url variable value
urlVarReader = function(findVar) {
	if (findVar != "hash") {
		var returnVar = params(location.search, findVar, null);
		if (returnVar == null || returnVar == undefined || returnVar == "") {
			returnVar = params(location.hash, findVar, null);
		}
	}
	return returnVar;
}

function openWindow(url,w,h){
	if (top.imgF){top.imgF.close()}
	imgF=window.open(url,"_blank","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, width="+(Number(w)+20)+", height="+(Number(h)+20));
	imgF.focus();
}