function $id(element) {
    return document.getElementById(element);
}
function pageNav(){
	var itemDD = $id("pageNavBox").getElementsByTagName("dd");
	for(var i=0; i<itemDD.length; i++){
		itemDD[i].id = i;
		itemDD[i].onmouseover = function(){
			   for(var j=0; j<itemDD.length; j++){
				     if(this.id == j){
						 itemDD[j].className = "overs";
						 }else{
						 itemDD[j].className = "";
						}
				   }
			}
	}	
} 
function TableColor(obj,headclass,trwhite,trgray ){
   var itemTab = $id(obj);
   var itemTr = itemTab.getElementsByTagName("tr");
   itemTr[0].className = headclass;
   for(var i = 1; i<itemTr.length; i++){
    if(i%2 == 0){
	itemTr[i].className = trgray;
	}else{
	itemTr[i].className = trwhite;
	}
   }
}
function reg(str){
  var bt=$id(str+"_b").getElementsByTagName("h2");
  for(var i=0;i<bt.length;i++){
    bt[i].subj=str;
    bt[i].pai=i;
    bt[i].style.cursor="pointer";
    bt[i].onclick=function(){
      $id(this.subj+"_v").innerHTML=$id(this.subj+"_h").getElementsByTagName("blockquote")[this.pai].innerHTML;
      for(var j=0;j<$id(this.subj+"_b").getElementsByTagName("h2").length;j++){
        var _bt=$id(this.subj+"_b").getElementsByTagName("h2")[j];
        var ison=j==this.pai;
        _bt.className=(ison?"":"h2bg");
      }
    }
  }
  $id(str+"_h").className="none";
  $id(str+"_v").innerHTML=$id(str+"_h").getElementsByTagName("blockquote")[0].innerHTML;
}