function openWin( windowURL, windowName, windowFeatures ) {
	return window.open( windowURL, windowName, windowFeatures ) ;
}

function toggleVisibility(tId){
	if(document.getElementById(tId)){
		if(document.getElementById(tId).style.display == "none"){
			document.getElementById(tId).style.display = "";
		}
		else {
			document.getElementById(tId).style.display = "none";			
		}
	}
}