// 
var compatible = (
		document.getElementById && document.getElementsByTagName && document.createElement
		&&
		!(navigator.userAgent.indexOf('MSIE 5') != -1 && navigator.userAgent.indexOf('Mac') != -1)
		);
//
function addEventSimple(obj,evt,fn){
	if (obj.addEventListener) obj.addEventListener(evt,fn,false);
	else if (obj.attachEvent) obj.attachEvent('on'+evt,fn);
}
//
function insertAfter(newElement,targetElement){
	var parent = targetElement.parentNode;
	if(parent.lastChild == targetElement) {
		parent.appendChild(newElement);
	} else {
	    parent.insertBefore(newElement,targetElement.nextSibling);
	}
}
//
function getElementsByClass(node,searchClass,tag) {
	var classElements = new Array();
	var els = node.getElementsByTagName(tag); // use "*" for all elements
	var elsLen = els.length;
	var pattern = new RegExp("\\b"+searchClass+"\\b");
	for (i = 0, j = 0; i < elsLen; i++) {
		if (pattern.test(els[i].className)) {
			classElements[j] = els[i];
	    	j++;
		}
	}
	return classElements;
}

var lang = new lang();
//search
function searchfieldBehavior() {
	if(!compatible){
		return;
	}
    var searchfield = document.getElementById('search');
    var searchForm = searchfield.parentNode.parentNode;  
    searchForm.onsubmit  = function(){
		if (searchForm.search.value == lang.searchTypeHere) {
			return false;
		}
	}
	searchfield.onblur  = writeSuggestion;
    searchfield.onfocus = delSuggestion;
}

function writeSuggestion() {
    if(this.value == '') {
        this.value = lang.searchTypeHere;
    }
}

function delSuggestion() {
    if(this.value == lang.searchTypeHere) {
        this.value = '';
    }
}

addEventSimple(window,"load",searchfieldBehavior);