function init() {
	testActiv();
	
	footerPosition();
	window.onresize = footerPosition;
	
}

function testActiv() {
	bereiche = new Array ( 	"werwirsind",
							"themenuebersicht",
							"referenten",
							"newsletter",
							"broschuere",
							"kontakt");
	for (var i = 0; i < bereiche.length; i++) {
			var tempBereich = bereiche[i];
			if(window.location.href.indexOf(tempBereich) > -1) {
				change(tempBereich, 'in');
			}
	}
}

function change(bereich, art) {
	var div = document.getElementById("navigation");
	if (div) {
		bilder = div.getElementsByTagName("img");
		if(bilder) {
			for (var i = 0; i < bilder.length; i++) {
				var bild = bilder[i];
				if(window.location.href.indexOf(bereich) != -1) {
					if(bild.name == bereich) {
						bild.src = "/standards/bilder/" + bereich + "_aktiv.gif";
					}
				} else {
					if(bild.name == bereich) {
						if (art == 'in') {
							bild.src = "/standards/bilder/" + bereich + "_over.gif";
						} else {
							bild.src = "/standards/bilder/" + bereich + ".gif";
						}
					}				
				}
			}
		}
	}
}

function checkForm() {
	var formular = document.getElementById("formId");
	if(formular) {
		var felder = formular.getElementsByTagName("input");
		var allright = true;
		for (var i = 0; i < felder.length; i++) {
			var feld = felder[i];
			if(feld.value == "") {
				showFehler();
				var allright = false;
				return false;
			}
		}
		if(allright) {
			return true;	
		}
	}
}

function showFehler() {
	var divs = document.getElementsByTagName("div");
	if(divs) {
		for (var i = 0; i < divs.length; i++) {
			var div = divs[i];
			if (div.className == "formInfo") {
				div.style.color = "red";	
			}
		}
	}
}


function footerPosition() {
	var masterDiv = document.getElementById("master");
	var footer = document.getElementById("footerContainer");	
	if(masterDiv && footer) {
		var masterHeight = masterDiv.offsetHeight + 40;
		var bodyHeight = document.body.offsetHeight;
		if(masterHeight > bodyHeight) {
			footer.style.position = "static";
		} 
		if(masterHeight < bodyHeight) {
			footer.style.position = "absolute";
		}
	}	
}