function Request(url) 
{
	if (document.implementation && document.implementation.createDocument)
	{
		xmlDoc = document.implementation.createDocument("", "", null);
		xmlDoc.onload = build;
	}
	else if (window.ActiveXObject)
	{
		xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
		xmlDoc.onreadystatechange = function () {if (xmlDoc.readyState == 4)  build()};
 	}
	else
	{
		alert('Your browser can\'t handle this script');
		return;
	}
	xmlDoc.load(url);
}



function getXMLElement(tagName)
{
	return this.getElementsByTagName(tagName).item(0);
}

function getXMLElementData(tagName)
{
	return this.getXMLElement(tagName).firstChild.data;
}


function showHide(id){
    var node = $(id);
    
    node.className = (node.className  == 'hide') ? 'show' : 'hide';
}

function $(id) {
  return document.getElementById(id).innerHTML;
}

function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];      
        if(oRegExp.test(oElement.className)){
            arrReturnElements.push(oElement);
        }   
    }
    return (arrReturnElements)
}