function langalert(lang) {
	if ( lang == 'en') {
		alert('This website is under construction!\nPlease visit later!');
	}
	if ( lang == 'de') {
		alert('An dieser Website wird gerade gebaut.\nBitte schauen Sie später noch einmal vorbei.');
	}
}

function addEvent(obj, evType, fn, useCapture) {
	if (obj.addEventListener) {
		obj.addEventListener(evType,fn,useCapture);
		return true;
	} else if(obj.attachEvent){
		return obj.attachEvent("on"+evType,fn);
	} else {
		return false;
	}
}

function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if (node == null) node = document;
	if (tag == null) tag = '*';
	var elems = node.getElementsByTagName(tag);
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	var i = 0;
	for (var j = 0; j < elems.length; j++) {
		if ( pattern.test(elems[j].className) ) {
			classElements[i++] = elems[j];
		}
	}
	return classElements;
}

function InputTipp() {
	var inputs = document.getElementsByTagName("input");
	for (var i=0; i<inputs.length; i++){
		if (inputs[i].parentNode.getElementsByTagName("span")[0]) {
			inputs[i].onfocus = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "inline";
			}
			inputs[i].onblur = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "none";
			}
		}
	}

	var textareas = document.getElementsByTagName("textarea");
	for (var i=0; i<textareas.length; i++){
		if (textareas[i].parentNode.getElementsByTagName("span")[0]) {
			textareas[i].onfocus = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "inline";
			}
			textareas[i].onblur = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "none";
			}
		}
	}

	var selects = document.getElementsByTagName("select");
	for (var k=0; k<selects.length; k++){
		if (selects[k].parentNode.getElementsByTagName("span")[0]) {
			selects[k].onfocus = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "inline";
			}
			selects[k].onblur = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "none";
			}
		}
	}

}

addEvent(window, 'load', InputTipp);

function confirmMsg(msg) {
	var con = confirm(msg);
	if (con) return true;
	else return false;
}