function clickclear(thisfield, defaulttext) {
		if (thisfield.value == defaulttext) {
		thisfield.value = "";
	}
	}

	function showBranch(branch) {
	      var objBranch = 
	         document.getElementById(branch).style;
	      if(objBranch.display=="block")
	         objBranch.display="none";
	      else
	         objBranch.display="block";
	   }