<!--//
  function visible(content) {
    if (document.getElementById(content).style.display == "none") {
      document.getElementById(content).style.display = "";
    }
  }

  function invisible(content) {
    if (document.getElementById(content).style.display == "") {
      document.getElementById(content).style.display = "none";
    }
  }
  
  function vis(content) {
    if (document.getElementById(content).style.display == "") {
      document.getElementById(content).style.display = "none";
      document.getElementById("extra_info1").style.display = "";
      document.getElementById("extra_info2").style.display = "none";
    } else {
		document.getElementById(content).style.display = "";
		document.getElementById("extra_info1").style.display = "none";
		document.getElementById("extra_info2").style.display = "";
	}
  }

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

// collapse function to show hidden ///////////////////////////
function collapse(x){ 

var oClick=document.getElementById("click_"+x); 
var oTemp=document.getElementById("text_"+x);
var imgId=document.getElementById("arrow_"+x);
      if(oTemp.style.display=="block"){ 
            oTemp.style.display="none"; 
//            oClick.innerHTML="+";
//						imgId.src='';            
      } 
      else{ 
            oTemp.style.display="block"; 
//            oClick.innerHTML="-"; 
//						imgId.src='';            
      } 
} 
//-->