function photo(categorie,id,w,h) {
	if(parseInt(w)>screen.availWidth || parseInt(h)>screen.availHeight)
	{
		scrolls="yes";
		if(parseInt(w)>screen.availWidth) {
			win_w=screen.availWidth-60;
			win_h=h;
		}
		if(parseInt(h)>screen.availHeight) {
			win_h=screen.availHeight-60;
			win_w=w;
		}
	} else {
		scrolls="no";
		win_w=w;
		win_h=h;
	}
	var left = (screen.availWidth-win_w)/2;
	var top = ((screen.availHeight-win_h)/2)-30;
	var styleStr = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars='+scrolls+',resizable='+scrolls+',copyhistory=yes,width='+win_w+',height='+win_h+',left='+left+',top='+top;
	var msgWindow = window.open("view_image.php?categorie="+categorie+"&id="+id,"img"+id, styleStr);
	msgWindow.focus();
}

function themes() {
	var left = (screen.availWidth-480)/2;
	var top = ((screen.availHeight-420)/2)-30;
	var styleStr = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width=480,height=420,left='+left+',top='+top;
	var msgWindow = window.open("themes.php","themes", styleStr);
	msgWindow.focus();	
}