function CataPult(theURL,windowname,horz,vert) {
	var goCenter = (screen.availWidth / 2) - (horz / 2);
	var goMiddle = (screen.availHeight / 2) - (vert / 2);
			window.open(theURL, windowname,'toolbar=0, status=0, top=' + goMiddle + ', left=' + goCenter + ', menubar=0, scrollbars=0, resizable=0, width=' + horz + ',height=' + vert );
}

function noRightClick(event) {
	if(event.button == 2){
		window.alert("Image not available for download.");
	}
}