function makeThumb( id, waku,x,y,floating ) {
  var imglist = document.getElementById(id);
  var img = imglist.getElementsByTagName("img");
  var ancs = imglist.getElementsByTagName("a");
  var src;
  var i = 0;
  for( i=0 ; i < ancs.length ; i++ ) {
    src = img.item(i).getAttribute("src");
//    img.item(i).style.display = "block";
    img.item(i).style.overflow = "hidden";
    img.item(i).style.width = x + "px" ;
    img.item(i).style.height = y + "px";
    img.item(i).style.backgroundPosition = "center center";
    img.item(i).style.backgroundImage = "url('" + src + "')";
    img.item(i).style.backgroundRepeat = "no-repeat";
    if( (i+1)%floating == 0){
//      img.item(i).style.clear;
//      ancs.item(i).style.clear;
    }/*else{
      img.item(i).style.styleFloat = "left";
      img.item(i).style.cssFloat = "left";
      ancs.item(i).style.styleFloat = "left";
      ancs.item(i).style.cssFloat = "left";
    }
*/
    img.item(i).setAttribute("src",waku);
    img.item(i).setAttribute("width", x);
    img.item(i).setAttribute("height", y);

  }
}
function OpenComments (c) {
   window.open(c,'comments','width=480,height=480,scrollbars=yes,status=yes');
}
function OpenTrackback (c) {
   window.open(c,'trackback','width=480,height=480,scrollbars=yes,status=yes');
}
function filtCat(){
	initVis();
	initHid();
	var n = document.F1.S1.selectedIndex;
	if(n == 0){
		initVis();
	}
	var slctd = document.F1.S1.options[n].value;
	var imgs = document.getElementsByName(slctd);
	var k = 0;
	for( i=0 ; i < imgs.length ; i++){
		imgs.item(i).style.visibility = "visible";
	}
}
function initVis(){
	var objImg = document.getElementById("thumb");
	var allimgs = document.getElementsByTagName("a");
	for( i=0 ; i < allimgs.length ; i++){
		allimgs.item(i).style.visibility = "visible";
	}
}
function initHid(){
	var objImg = document.getElementById("thumb");
	var allimgs = objImg.getElementsByTagName("a");
	for( i=0 ; i < allimgs.length ; i++){
		allimgs.item(i).style.visibility = "hidden";
	}
}