var DHTML = (document.getElementById || document.all || document.layers);

function getObj(name)
{
  if (document.getElementById)
  {
  	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
  }
  else if (document.all)
  {
	this.obj = document.all[name];
	this.style = document.all[name].style;
  }
  else if (document.layers)
  {
   	this.obj = document.layers[name];
   	this.style = document.layers[name];
  }
}

function changeColor(nameofit,newvalue)
{
	if (!DHTML) return;
	var x = new getObj(nameofit);
	x.style.color = newvalue;
	
}
function changeBorderColor(nameofit,newvalue)
{
	if (!DHTML) return;
	var x = new getObj(nameofit);
	x.style.borderColor = newvalue;
	
}
function changeVisibility(nameofit,newvalue)
{
	if (!DHTML) return;
	var x = new getObj(nameofit);
	x.style.visibility = newvalue;
	
}
function changeavailability(){
if (document.addform.boxset.checked == 1){
changeVisibility('addformhidden','visible');
}
else {
document.addform.howmany.value=1;
changeVisibility('addformhidden','hidden');

}
}