email_defaulttext     = "E-Mail Adresse";
search_defaulttext    = "Suchbegriff";
firstname_defaulttext = "Vorname";
lastname_defaulttext  = "Nachname";
memberid_defaulttext  = "Mitgliedsnummer";

function clear_element (object, defaulttext) {

    if (object.value == defaulttext) object.value = "";

}

function restore_element (object, defaulttext) {

    if (object.value.length == 0) object.value = defaulttext;

}

function checknewsletterform() {

    if ((MM_findObj("email").value == email_defaulttext) || (checkemail(MM_findObj("email").value) == false) || (MM_findObj("email").value.length == 0)) {
   
        alert('Bitte gib eine gültige E-Mail Adresse ein');
      
        return false;
      
    }
   
}

function checksearchform() {

    if ((MM_findObj("search").value == search_defaulttext) || (MM_findObj("search").value.length == 0)) {
   
        alert('Bitte gib einen Suchbegriff ein');
      
        return false;
      
    }
   
}

function checkloginform() {
    
    var cookie = true;
    
    if($("#cookieHint").length != 0){
        cookie = false;
    }
    
    if(cookie){
   
        login_error=false;
        errormsg="";
   
        if(MM_findObj("first_name").value == "" || MM_findObj("first_name").value == firstname_defaulttext) {
   
            login_error=true;
            errormsg=errormsg+"Bitte gib deinen Vornamen ein.\n";
      
        }
   
        if(MM_findObj("last_name").value == "" || MM_findObj("last_name").value == lastname_defaulttext) {
   
            login_error=true;
            errormsg=errormsg+"Bitte gib deinen Nachnamen ein.\n";
      
        }
   
        if(MM_findObj("member_id").value == "" || MM_findObj("member_id").value == memberid_defaulttext) {
   
            login_error=true;
            errormsg=errormsg+"Bitte gib deine Mitgliedsnummer ein.\n";
      
        }
   
        if(login_error) {
   
            alert("Bitte korrigiere deine Eingaben:\n\n"+errormsg);
            return false;
      
        } else {
   
            return true;
      
        }
    }else{
        $("#cookieHint").fadeIn(250).bind("mouseleave", function(){
            $(this).fadeOut(250);
        });
        return false;
    }   
}
	
function MM_findObj(n, d) { //v3.0
    var p,i,x;
    if(!d) d=document;
    if((p=n.indexOf("?"))>0&&parent.frames.length) {
        d=parent.frames[n.substring(p+1)].document;
        n=n.substring(0,p);
    }
    if(!(x=d[n])&&d.all) x=d.all[n];
    for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
    for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
    return x;
}

function checkemail(emailStr) {

    var emailPat=/^(.+)@(.+)$/;
    var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
    var validChars="\[^\\s" + specialChars + "\]";
    var quotedUser="(\"[^\"]*\")";
    var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
    var atom=validChars + '+';
    var word="(" + atom + "|" + quotedUser + ")";
    var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
    var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
    var matchArray=emailStr.match(emailPat);
   
    if (matchArray==null) {
   
        return false;
      
    }
   
    var user=matchArray[1]
    var domain=matchArray[2]
   
    if (user.match(userPat)==null) {
   
        return false;
      
    }
   
    var IPArray=domain.match(ipDomainPat)
   
    if (IPArray!=null) {
   
        for (var i=1;i<=4;i++) {
      
            if (IPArray[i]>255) {
         
                return false;
            
            }
         
        }
      
        return true;
      
    }
   
    var domainArray=domain.match(domainPat)
   
    if (domainArray==null) {
   
        return false;
      
    }
   
    var atomPat=new RegExp(atom,"g")
    var domArr=domain.match(atomPat)
    var len=domArr.length
   
    if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) {
   
        return false;
      
    }
   
    if (len<2) {
   
        return false;
      
    }
   
    return true;
   
}