function west(url,winX,w,h){
var url=url?url:'webtour/westvt.html';
var winX=winX?winX:'Room';
var w=w?w:670;
var h=h?h:400;
LeftPosition=(screen.width) ?(screen.width-w)/2 : 0;
TopPosition=(screen.height) ?(screen.height-h)/2 : 0;
win=window.open(url,winX,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=yes,width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition);
if(win.window.focus){win.window.focus();}
}


function east(url,winX,w,h){
var url=url?url:'webtour/eastvt.html';
var winX=winX?winX:'Room';
var w=w?w:670;
var h=h?h:400;
LeftPosition=(screen.width) ?(screen.width-w)/2 : 0;
TopPosition=(screen.height) ?(screen.height-h)/2 : 0;
win=window.open(url,winX,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=yes,width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition);
if(win.window.focus){win.window.focus();}
}