var imgWin;
function modelesswin(url,mwidth,mheight){
	
	var locTop = screen.height - mheight
	var locLeft = screen.width - mwidth

	if (locTop < 0) locTop = 2;
	else locTop = locTop/2;

	if (locLeft < 0) locLeft = 2;
	else locLeft = locLeft/2;

	eval('imgWin = window.open(url,"PFOnline","width='+mwidth+'px,height='+mheight+'px,resizable=1,scrollbars=1,screenX='+ locLeft + ',screenY='+ locTop + ',top='+ locTop + ',left='+ locLeft + '")')
}

function imageViewer (imgname) {

	var queryString = "imageViewer?vol=" + parent.myVolume +
										"&iss=" + parent.myIssue +
										"&doc=" + parent.myTitle +
										"&img=" + imgname;
										
										
	
	modelesswin(queryString,500,500)

}