function categoryRead()
{
  var ind,category_value;
  ind = document.category.catid.selectedIndex;
  category_value=document.category.catid.options[ind].value;
  if (ind != 0)
  {
        document.category.action="index.php?catid=" + category_value;
        document.category.submit();
  }
  else
        document.category.action="index.php" ;
        document.category.submit();
}
function ad(){
  newwin=window.open("ad.html","preview","width=200,height=95,menubar=no,resizable=no,toolbar=no,status=no,scrollbars=no,location=no");
}
function video(aid){
    Fenster = window.open("video.php?aid="+aid,"video","location=no,status=no,scrollbars=no,resizable=no,toolbar=no,menubar=no,top=0,left=0,width=440,height=346");
    Fenster.focus();
}
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		head05_over_11 = newImage("img/layout/nav05_over_1.gif");
		head05_over_12 = newImage("img/layout/nav05_over_2.gif");
		head05_over_13 = newImage("img/layout/nav05_over_3.gif");
		head05_over_14 = newImage("img/layout/nav05_over_4.gif");
		head05_over_15 = newImage("img/layout/nav05_over_5.gif");
		head05_over_16 = newImage("img/layout/nav05_over_6.gif");
		head05_over_17 = newImage("img/layout/nav05_over_7.gif");
		preloadFlag = true;
	}
}
function canManipulateImages() {
	if (document.images)
		return true;
	else
		return false;
}
function loadPosterImage(imageURL) {
	if (gImageCapableBrowser) {
		document.imagePoster.src = imageURL;
		return false;
	}
	else {
		return true;
	}
}
gImageCapableBrowser = canManipulateImages();