function openwindow(url,winName,width,height,scrollbars) {
  var floater = null;
  if(navigator.platform=="MacPPC" && navigator.appName.indexOf("Microsoft")>-1 && scrollbars=="yes"){ // IE Mac
 	height -= 14;
 	width -= 20;
  }else if(navigator.appName=="Netscape" && scrollbars=="yes"){ // NS
 	 width -= 3;
  } else if(navigator.platform=="Win32" && navigator.appName.indexOf("Microsoft")>-1 && scrollbars=="yes"){// IE Win
     width -= 2;
  } else if(navigator.userAgent.toLowerCase().indexOf("safari")>-1){ // Safari
    width -= 0;
  }
  var x=(screen.availWidth-width)/2;
  var y=(screen.availHeight-height)/2;
   winStats='toolbar=no,location=no,directories=no,menubar=no,';
   winStats+='scrollbars='+scrollbars+',width='+width+',height='+height;
   if (navigator.appName.indexOf("Microsoft")>-1) { // IE
	  winStats+=',left='+x+',top='+y;
	}else{ // NS
	  winStats+=',screenX='+x+',screenY='+y;
	}
   floater=window.open(url,winName,winStats)     
}
function openFullscreen(url,winName){	
    var floater = null;
    winStats='toolbar=no,location=no,directories=no,menubar=no,';
    winStats+='scrollbars=no,width='+screen.availWidth+',height='+(screen.availHeight-10);
	winStats += ',toolbars=no,location=no,directories=no,status=no,menubar=no,resizable=no,scrollbars=no';
   if (navigator.appName.indexOf("Microsoft")>-1) { // IE
	  winStats+=',left=0,top=0';
	}else{ // NS
	  winStats+=',screenX=0,screenY=0';
	}
	floater=window.open(url,winName,winStats);
}