var isIE = false;
if(document.all){
	isIE = true;
}



function $(s){
	return document.all?document.all[s]:document.getElementById(s);
}
function $(){
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++){
		var element = arguments[i];
		if (typeof element == "string"){
			element = document.getElementById(element);
		}
		if (arguments.length == 1){
			return element;
		}
		elements.push(element);
	}
	return elements;
}

function checkInArray(){
	for(var i=0;i<arguments[0].length;i++){
		if(arguments[0][i]==arguments[1]){
			return true;
		}
	}
	return false;
}

function addClass(taget) {
	var elem_taget = $(taget);
	if (elem_taget) {
		if(elem_taget.className!=""){
			if(!checkInArray(elem_taget.className.split(" "),arguments[1])){
				elem_taget.className = elem_taget.className + " " + arguments[1];
			}
		}else{
			elem_taget.className = arguments[1];
		}
	}
}

function delClass(taget) {
	var elem_taget = $(taget);
	if (elem_taget) {
		elem_taget.className = elem_taget.className.replace(new RegExp(arguments[1],"g"),"").replace(/\s\s/g," ").trim();
	}
}

String.prototype.trim = function(){ 
	return this.replace(/(^\s*)|(\s*$)/g, ""); 
}

function addListener(elem,eventType,eventFunc){
	if (isIE){
		elem.attachEvent(eventType,eventFunc);
	}else{
		elem.addEventListener(eventType.substr(2,eventType.length-2),eventFunc,true);
	}
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
	window.onload = func;
  } else {
	window.onload = function() {
	  oldonload();
	  func();
	}
  }
}


function searchValue() {
	if (!document.getElementsByTagName) return false;
	if (!document.getElementById) return false;
	if (!document.getElementById("searchValue1")) return false;
	var searchValue = document.getElementById("searchValue1");
	tempValue = searchValue.value;
	searchValue.onfocus = function() {
		if (searchValue.value == tempValue){
			searchValue.value = ""
		}
	}

	searchValue.onblur = function() {
		if (searchValue.value == ""){
			searchValue.value = tempValue;
		}
	}
}

function newin(url,w,h){
 window.open(url,"","toolbar=no,width="+w+",height="+h+",directories=no,status=no,scrollbars=yes,resizable=no,menubar=no")
}

addLoadEvent(searchValue);



function select_nav(str)
{
	    for(i=1;i<8;i++)
		{ 
		    document.getElementById("class_"+i).className="";
		}
		document.getElementById("class_"+str).className="o"


}


function shownav(navid){
if($(navid).style.display=="")
{
$(navid).style.display="none";
}
else
$(navid).style.display="";


}