function blank(url){
	winId = "symphony" + Math.floor((100*(Math.random())));
	leftPos = window.screenLeft + 10;
	topPos = window.screenTop + 10;
	properties = 'left=' + leftPos + ',top=' + topPos + ', location=yes, status=yes, toolbar=yes, menubar=yes, directories=yes, resizable=yes, scrollbars=yes';
	window.open(url,winId,properties);
}

function jump(obj){
	document.location = obj.value;	
}