function checkStyle() {
	if ((document.all) || (navigator.userAgent.toLowerCase().indexOf("safari") > -1)) {
		document.all['main'].style.removeAttribute("min-height", false);
		document.all['main'].style.setAttribute("height", "98%", false);
	}
}

//setTimeout("checkStyle()", 100);

function findLink(id){
	if(!document.links) return false;

  	for(i=0; i<document.links.length; i++){
		if(document.links[i].id == id){
			return document.links[i];
		}
	}
}

function submitForm(){
	if(document.theForm.nachname.value  == "") {alert("Sie haben vergessen Ihren Nachnamen einzutragen");document.theForm.nachname.focus();document.theForm.nachname.select();return false;}
	else if(document.theForm.vorname.value  == "") {alert("Sie haben vergessen Ihren Vornamen einzutragen");document.theForm.vorname.focus();document.theForm.vorname.select();return false;}
	else if(document.theForm.strasse.value  == "") {alert("Sie haben vergessen die Strae einzutragen");document.theForm.strasse.focus();document.theForm.strasse.select();return false;}
	else if(document.theForm.plz.value  == "") {alert("Sie haben vergessen die PLZ einzutragen");document.theForm.plz.focus();document.theForm.plz.select();return false;}
	else if(document.theForm.ort.value  == "") {alert("Sie haben vergessen Ihren Wohnort einzutragen");document.theForm.ort.focus();document.theForm.ort.select();return false;}
	else if(document.theForm.land.value  == "") {alert("Sie haben vergessen das Land einzutragen");document.theForm.land.focus();document.theForm.land.select();return false;}
	else if(document.theForm.email.value  == "") {alert("Sie haben vergessen Ihre eMail Adresse einzutragen");document.theForm.strasse.focus();document.theForm.strasse.select();return false;}
	else if(document.theForm.telefon.value  == "") {alert("Sie haben vergessen Ihre Telefonnummer einzutragen");document.theForm.telefon.focus();document.theForm.telefon.select();return false;}
	else if(document.theForm.kurs1.value  == "") {alert("Fr welchen Kurs wollen Sie sich anmelden?");document.theForm.kurs1.focus();document.theForm.kurs1.select();return false;}
	return true;
}


function getLayer(doc, name) {
	if (document.getElementById) {
		return doc.getElementById(name);
	} else if (document.all) {
		return doc.all[name];
	} else if (document.layers) {
		if (!doc.layers[name]) {
			for (var l=0; l<doc.layers.count; l++) {
				getLayer(doc.layers[l].document, name);
			}
		} else {
			return document.layers[name];
		}
	} else {
		return false;
	}
}

function getLayerHeight(layerName) {
	doc = document;
	layerObj = getLayer(doc, layerName);
	if (layerObj) {
		if ((document.getElementById) || (document.all)) {
			return parseInt(layerObj.offsetHeight);
		} else if (document.layers) {
			return layerObj.height;
		}
	}
	return 0;
}

function getWinHeight() {
	if (document.all) {
		return parseInt(document.body.clientHeight);
	} else if ((document.getElementById) || (document.layers)) {
		return window.innerHeight;
	}
	return 0;

}

function getObj(name) {
	if (document.getElementById) {
		return document.getElementById(name).style;
	} else if (document.all) {
		return document.all[name].style;
	} else if (document.layers) {
		if (!document.layers[name]) {
			return document.layers['cnt'].document.layers[name];
		} else {
			return document.layers[name];
		}
	} else {
		return false;
	}
}

function setTopLink() {
	if (getLayerHeight("main") > getWinHeight()) {
		var myLayer = getLayer(document, "toplink");
	
	   if (myLayer) {
		  if ((document.getElementById) || (document.all)) {
			 myLayer.style.visibility="visible";
		  }
		
		  if (document.layers) {
			 myLayer.visibility="visible";
		  }
		}
		
		var myLayer = getLayer(document, "bottomlink");
	  if (myLayer) {
		  if ((document.getElementById) || (document.all)) {
			 myLayer.style.visibility="visible";
		  }
		  if (document.layers) {
			 myLayer.visibility="visible";
		  }
		}
	}
	//checkStyle();
}