//===================== 
//PopupWindow.js 
//===================== 


// ARGUMENTS 

// 
//windowname a string (this becomes the actual windowOBJECT. and the NAME of the object) 
//windowURL a URL 
//windowWidth a number 
//windowHeight a number 
//windowLeft a number (or "center" to center on screen) 
//windowTop a number (or "center" to center on screen) 
//directories yes/no 
//menubar yes/no 
//resizable yes/no 
//status yes/no 
//toolbar yes/no 
//scrollbars yes/no 
// 



function PopupWindow(windowname,windowURL,windowWidth,windowHeight,windowLeft,windowTop,directories,menubar,resizable,status,toolbar,scrollbars) 
{ 
try 
{ 
//try to close and then focus the popup window 
//this routine will help this function RE-USE 
//windows if they already exist with the same 
//name. 
windowname.close(); 
windowname.focus(); 
} 
catch(err) 
{ 
//do nothing on error 
//an error only proves that no window exists 
//with this 'windowname' value 
} 

w = windowWidth; 
h = windowHeight; 

//the Left and Top properties accept a number 
//and, out of convenience, the term 'center' can 
//be used. 
if(windowLeft=='center') 
{ 
l = (screen.width) ? (screen.width-w)/2 : 0; 
} else { 
l = windowLeft; 
} 

if(windowTop=='center') 
{ 
t = (screen.height) ? (screen.height-h)/2 : 0; 
} else { 
t = windowTop; 
} 

//no line break! 
settings = 'directories='+directories+',menubar='+menubar+',resizable='+resizable+',status='+status+',toolbar='+toolbar+',height='+h+',width='+w+',top='+t+',left='+l+',scrollbars='+scrollbars; 
windowname = window.open(windowURL,windowname,settings) 

try 
{ 
//try to resize the popup window 
//this routine is necessary only IF the 
//first try/catch routine fails. (i.e. if 
//there's already a window of THIS windowname 
//and the first try/catch routine failed to close 
//it. (This is still weird and deserves further 
//investigation.) 
windowname.resizeTo(w,h); 
} 
catch(err) 
{ 
//do nothing on error 
} 

if(windowname.focus){windowname.focus();} 

return windowname; 

//this function returns 
//an object with the same 
//name as the new window 
//this is helpful if you wish 
//to further manipulate this object 
} 


//=====================