function hilite(obj) {
	obj.style.background = '#FFF';
}
function delite(obj) {
	obj.style.background = '#DEF3A5';
}

/* Clear Default Form Values */
function cleardefault(el) {
  if (el.defaultValue==el.value) el.value = ""
}

/* eMail Cloak */
function emailCloak() {
		if (document.getElementById) {
			var alltags = document.all? document.all : document.getElementsByTagName("*");
			for (i=0; i < alltags.length; i++) {
			  if (alltags[i].className == "emailCloak") {
			  	var oldText = alltags[i].firstChild;
			  	var emailAddress = alltags[i].firstChild.nodeValue;
			  	var user = emailAddress.substring(0, emailAddress.indexOf("("));
			  	var website = emailAddress.substring(emailAddress.indexOf(")")+1, emailAddress.length);
			  	var newText = user+"@"+website;
			  	var a = document.createElement("a");
			  	a.href = "mailto:"+newText;
				var address = document.createTextNode(newText);
				a.appendChild(address);
				alltags[i].replaceChild(a,oldText);
			  }
			}
		}
	}


/* Style Switcher */
function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);


/* External Links */

function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}


/* E-Mail Error Check */

function check_required(myForm) {
	var requiredFields = myForm._required.value.split("|");
	var errorString = '';
	for (var i=0; i<requiredFields.length; i++) {
		var parts = requiredFields[i].split(",");
		var field = parts[0]; var title = parts[1];
		for (var j=0; j<myForm.elements.length; j++) {
			var myElement = myForm.elements[j];
			var isNull = false;
			if (myElement.name == field && myElement.style.display != "none") {
				if (myElement.type == "select-one" || myElement.type == "select-multiple") {
					if ((myElement.options[myElement.selectedIndex].value == null || myElement.options[myElement.selectedIndex].value == '') && errorString.indexOf(title) == -1) {
						isNull = true;
					}
				} else if ((myElement.value == null || myElement.value.search(/\w/) == -1) && errorString.indexOf(title) == -1) {
					isNull = true;
				}

				if (isNull) {
					errorString += title + ", ";
					if (document.getElementById('label_'+myElement.name)) { document.getElementById('label_'+myElement.name).className="er"; }
					myElement.className="erInput";
				} else {
					if (document.getElementById('label_'+myElement.name)) {
						document.getElementById('label_'+myElement.name).className="s1";
					}
					myElement.className="s1";
				}
			}
		}
	}
	if (errorString != '') {
		errorString = errorString.slice(0,errorString.length-2);
		window.alert("Bitte füllen Sie die folgenden Felder aus, bevor Sie das Formular absenden:\n\n"+errorString)
		return false;
	}
	else {
		return true;
	}
}

        function submitForm(myForm) {
                if ( !check_required(myForm) ) { return false; }
                if ( !validZip(myForm.zip) ) { return false; }
               if ( !validAreaCode(myForm.area_code) ) { return false; }
                if ( !validPhone(myForm.phone) ) { return false; }
                if (myForm.From.value) {
                        if ( !validEmail(myForm.From) ) { return false; }
                }
                return true;
        }



/* onLoader */

window.onload = function()
	{
		emailCloak();
		externalLinks();
	}