function displayImage(picName, title, imgwidth, imgheight){
var x,y,left, top, width, height;
if (self.innerHeight) // all except Explorer
{
x = self.innerWidth;
y = self.innerHeight;
}
else if (document.documentElement && document.documentElement.clientHeight)
// Explorer 6 Strict Mode
{
x = document.documentElement.clientWidth;
y = document.documentElement.clientHeight;
}
else if (document.body) // other Explorers
{
x = document.body.clientWidth;
y = document.body.clientHeight;
}
width = imgwidth;
height = imgheight;
left=(x-width)/2;
top=(y-height)/2;
winHandle = window.open('', 'preview', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
if(winHandle != null){
var htmlString = ''+title+''
htmlString += '
'
htmlString += ""
winHandle.document.open()
winHandle.document.write(htmlString)
winHandle.document.close()
}
if(winHandle != null) winHandle.focus() //brings window to top
// return winHandle
}