//Preload Images
arImageSrc = new Array ("images/loading.gif","images/loaded.gif")
arImageList = new Array ();
for (counter in arImageSrc) 
    {
     arImageList[counter] = new Image();
     arImageList[counter].src = arImageSrc[counter];
    }

//Get Screen Dimensions
var height=screen.height;
var width=screen.width;
var leftpos= width/2-50;
var toppos=height/2-50; 


//Declare view function
function view(what)
{
window.open('view.asp?pic='+what,'WIN','scrollbars=0,status=1,toolbar=0,resizable=1,location=0,menu=0,width=100,height=100,left=' + leftpos + ',top=' + toppos);
}