var Window=Class.create({initialize:function(windowObject)
{this.windowObject=windowObject;},open:function(name,url,w,h,scroll,resize)
{leftPosition=screen.width?(screen.width-w)/2:100;topPosition=screen.height?(screen.height-h)/2:100;settings='width='+w+',height='+h+',top='+topPosition+',left='+leftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable='+resize;return this.windowObject.open(url,name,settings);},refreshOpener:function()
{if(this.windowObject.opener){this.windowObject.opener.location.reload();}},urlOpener:function(href)
{if(this.windowObject.opener){this.windowObject.opener.location.href=href;}},back:function()
{this.windowObject.history.back();},close:function()
{this.windowObject.close();}});var windowObject=new Window(window);