if(window.pageYOffset){
	
	document.write("<span id='topb' style='display:none;z-index:5;position:fixed;top:620;left:210;'><a href='JavaScript:NachOben()'><img src='../Images/top.gif' width='20' height='25' border='0' class='top_button'></a></span>");
	document.getElementById("topb").style.display = "block";
}
var images_norm = new Array();
var images_over = new Array();

// Grafiken in den Cache laden 
images_norm[0] = new Image();
images_norm[0].src = "fileadmin/Images/mail_a.gif" ;
images_norm[1] = new Image();
images_norm[1].src = "fileadmin/Images/sitmap_a.gif";
images_norm[2] = new Image();
images_norm[2].src = "fileadmin/Images/print_a.gif";

images_over[0] = new Image();
images_over[0].src = "fileadmin/Images/mail.gif";
images_over[1] = new Image();
images_over[1].src = "fileadmin/Images/sitmap.gif";
images_over[2] = new Image();
images_over[2].src = "fileadmin/Images/print.gif";

// Validitätsprüfung für das Kontaktformular
function checkForm() {

	var valid = 1;
	var alert_exp = "";
	var expr_email = /^[a-zA-Z]+[-_a-zA-Z0-9]*(\.)*[a-zA-Z]+[-_a-zA-Z0-9]*@[a-zA-Z]+[-_a-zA-Z0-9]*.[a-zA-Z]{2,}$/;

	if(!expr_email.test(form.Email.value)) {
		document.form.Email.style.backgroundColor = "#FBDD18";
		alert_exp = alert_exp + "   - E-Mail-Adresse. \n";
		valid = 0;
	}
	if(form.Firma.value == ""){
		alert_exp = alert_exp + "    - Firmen Name. \n";
		document.form.Firma.style.backgroundColor = "#FBDD18";
		valid = 0;
	}
	
	if(form.Nachname.value == ""){
		alert_exp = alert_exp +"    - Nachname des Ansprechpartners. \n";
		document.form.Nachname.style.backgroundColor = "#FBDD18";
		valid = 0;
	}
	
	if( valid != 1){
		alert("Bitte geben Sie noch folgende Angaben an. \n \n " + alert_exp);
		//return false;
	}else{
		document.form.submit();
	}
	//return false;
}


function NachOben () {
  var y = 0;
  if (window.pageYOffset) {
    y = window.pageYOffset;
  } else if (document.body && document.body.scrollTop) {
    y = document.body.scrollTop;
  }
  if (y > 0) {
    window.scrollBy(0, -35);
    setTimeout("NachOben()", 10);
  }
}

function not_av(){
	
	alert("Sorry, but this feature is comming soon.");
	
}