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

	function switchRO(thisCtrl,b)
	{
		getObj(thisCtrl).readOnly=b;
		if (b)
		{
			getObj(thisCtrl).style.borderWidth="0px";
			getObj(thisCtrl).style.borderStyle="none";
		}
		else
		{
			getObj(thisCtrl).style.borderWidth="1px";
			getObj(thisCtrl).style.borderStyle="solid";
		}
	}

   function IsNumeric(sText)
   {
	var ValidChars = "0123456789.";
	var IsNumber=true;
	var Char;

	 
	for (i = 0; i < sText.length && IsNumber == true; i++) 
	   { 
	   Char = sText.charAt(i); 
	   if (ValidChars.indexOf(Char) == -1) 
	      {
	      IsNumber = false;
	      }
	   }
	return IsNumber;
   }

	function hide(thisCtrl) 
	{
		getObj(thisCtrl).style.display='none';
	}

	function show(thisCtrl) 
	{
		getObj(thisCtrl).style.display='block';
	}