var moOpenWindow = null;
function showBigImage(sImage, nOrientation){

	var sPage = "DisplayImage.htm?dimg=" + sImage;
	hideAnchorBorder;
	if (nOrientation==1){
		var sAtts = "height=400,width=400,status=no,toolbar=no,menubar=no,location=no";
	}else{
		var sAtts = "height=400,width=400,status=no,toolbar=no,menubar=no,location=no";	//Yup its the same... now!
	}
	if (document.all){
	 	var w=screen.width;
		var x=((w/2)-200);
	    var h=screen.height;
		var y=((h/2)-200);
		sAtts = sAtts + ",left=" + x + ",top=" + y;
		
		if (isMacClient()){
			sPage = "DisplayImageMAC.htm?dimg=" + sImage;		
			window.open(sPage,null,sAtts);
		}else{
			if (moOpenWindow){
				moOpenWindow.close();
			}
			moOpenWindow = window.open(sPage,null,sAtts);
			moOpenWindow.focus();
		}
	}else{
		window.open(sPage,null,sAtts);
	}
}

function hideAnchorBorder() {
    window.focus();
    return true;
}

function isMacClient(){
    var agt=navigator.userAgent.toLowerCase();
    var is_mac    = (agt.indexOf("mac")!=-1);
    var is_mac68k = (is_mac && ((agt.indexOf("68k")!=-1) || (agt.indexOf("68000")!=-1)));
    var is_macppc = (is_mac && ((agt.indexOf("ppc")!=-1) || (agt.indexOf("powerpc")!=-1)));
	
	if (is_mac || is_mac68k || is_macppc){
		return true;
	}else{
		return false;
	}
}