/* Pop-up vinduer */
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

/* Validering */
function MM_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' må inneholde en epostadresse.\n';
      } else if (test!='R') {
        if (isNaN(val)) errors+='- '+nm+' må inneholde et nummer.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (val<min || max<val) errors+='- '+nm+' må inneholde et nummer mellom '+min+' og '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' må fylles ut.\n'; }
  } if (errors) alert('Følgende felter må fylles ut:\n'+errors);
  document.MM_returnValue = (errors == '');
}

/* Gå til URL */

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

/* Søkevalg mellom artikler eller produkter */

function MM_changeProp(objName,x,theProp,theValue) { //v6.0
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
    if (theValue == true || theValue == false)
      eval("obj."+theProp+"="+theValue);
    else eval("obj."+theProp+"='"+theValue+"'");
  }
}

/* Textarea teller/tekstbegrenser */

function textCounter(field, countfield, maxlimit) {
if (field.value.length > maxlimit) // if too long...trim it!
field.value = field.value.substring(0, maxlimit);
// otherwise, update 'characters left' counter
else 
countfield.value = maxlimit - field.value.length;
}

/* Begrenser for antall ganger noen klikker Lagre i tilfelle treg server-*/

var submitcount=0;
function checkFields(){
   if (submitcount == 0)
      {
      submitcount++;
      return true;
      }
   else 
      {
      alert("Du har allerede klikket Lagre!");
      return false;
      }
}