/*
*****************************************************************************************
	FILENAME: jscommon.js
	DESCRIPTION: Common javascript procedures.
	AUTHOR: Jose F. D'Silva
	LAST MODIFIED ON: Feb-26-2007
	LAST MODIFIED BY: Jose
*****************************************************************************************
*/


// Create trim method for String Object.
// Usage: var x = s.trim();
String.prototype.trim = function() {
 // skip leading and trailing whitespace
 // and return everything in between
  var x=this;
  x=x.replace(/^\s*(.*)/, "$1");
  x=x.replace(/(.*?)\s*$/, "$1");
  return x;
}


// Get access to the HTML element you want to influence.
// name: Object name (name="objname") or a valid id. for an HTML tag.
// Return value: The function will return the HTML element you asked for, regardless of browser DOM.
// Usage: var x = new getObj('obj_name');
//        x.obj.some_attribute=new_attribute;
//        x.style.some_style_attribute=new_style_attribute;
// REF: http://www.quirksmode.org
//
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 = getObjNN4(document,name);
	this.style = this.obj;
  }
}

function getObjNN4(obj,name)
{
	var x = obj.layers;
	var foundLayer;
	for (var i=0;i<x.length;i++)
	{
		if (x[i].id == name)
		 	foundLayer = x[i];
		else if (x[i].layers.length)
			var tmp = getObjNN4(x[i],name);
		if (tmp) foundLayer = tmp;
	}
	return foundLayer;
}