/************************************
LAUNCH WEBSITE
************************************/
function launch_web(url)
{
	var _width = 1000;
	var _height = 680;
	var _top = (screen.height-_height)/2 ; 
	var _left = (screen.width-_width)/2 ; 
	
	properties = "top="+_top+",left="+_left+",width="+_width+",height="+_height+",menubar=no,scrollbars=yes,statusbar=no";  
	
	window.open(url,'Midistation',properties);
}