function openImagePopUp(src, width, height)
{
var title = arguments[3];
var x = arguments[4] || (screen.width-width)/2;
var y = arguments[5] || (screen.height-height)/2;
if (!(src.indexOf("http")==0 || src.indexOf("/")==0)) {
src = _ABS_PATH+src;
}
var options = "scrollbars=no,status=no,resizable=no,width="+width+",height="+height;
if (x) options+= ",left="+x+",screenX="+x;
if (y) options+= ",top="+y+",screenY="+y;
imagePopup = window.open( "", "imagePopup", options);
imagePopup.document.write( "" );
if (title) imagePopup.document.write( ""+title+"" );
imagePopup.document.write( '' );
imagePopup.document.write( "![]("+src+")
" );
imagePopup.document.write( "" );
}