// JScript File
//
// set DHTML support
//
var DHTML = (document.getElementById || document.all || document.layers); 

//
// get DOM object
//
function getObj(name) {
	if (document.getElementById) {
		return document.getElementById(name);
	} else if (document.all) {
		return document.all[name];
	} else if (document.layers) { 
		return document.layers[name]; 
	}
} 

//
//include CSS
//
function IncludeCustomCss(url_, media_) 
{
    // We are preventing loading a file already loaded
    // var _links = document.getElementsByTagName("link");
    var _head = document.getElementsByTagName("head")[0];                
   
    // Loop through the length of the links
    //for( i = 0; _links.length > i; i++)
    //{
       // If the href is already present, remove it
    //    if (_links[i]["href"] == url_)
    //    {
    //        _head.removeChild(_links[i]);
    //    }
    //}

    // Optional parameters check
    var _media = media_ === undefined || media_ === null ? "all" : media_;
   
    // Build link element
    var _elstyle = document.createElement("link");
    _elstyle.setAttribute("rel", "stylesheet");
    _elstyle.setAttribute("type", "text/css");
    _elstyle.setAttribute("media", _media);
    _elstyle.setAttribute("href", url_);

    // Add style
    _head.appendChild(_elstyle);
}

//
//include JS file
//
function IncludeCustomJs(url_) 
{
    var _head = document.getElementsByTagName("head")[0];                
  
    // Build script element
    var _elscript = document.createElement("link");
    _elscript.setAttribute("language", "JavaScript1.4");
    _elscript.setAttribute("type", "text/javascript");
    _elscript.setAttribute("src", url_);

    // Add style
    _head.appendChild(_elscript);
}


//
// CSS Functions
//

function ChangeElementClass(elementId, className) {
	element = document.getElementById(elementId);
	element.className = className;
}

function ToggleElementVisibility(elementId) {
	element = document.getElementById(elementId);
	element.style.display = (element.style.display == "none") ? "block" : "none";
}

function ChangeElementVisibility(elementId, visible) {
	element = document.getElementById(elementId);
	element.style.display = (visible) ? "block" : "none";
}

function ToggleRowElementVisibility(elementId) {
	element = document.getElementById(elementId);
	element.style.display = (element.style.display == "") ? "none" : "";
}

function ChangeElementContent(elementId, content) {
	element = document.getElementById(elementId);
	element.innerHTML = content;
}

function ToggleElementContent(elementId, contentOne, contentTwo) {
	element = document.getElementById(elementId);
	element.innerHTML = (element.innerHTML == contentOne) ? contentTwo : contentOne;
}