//Browsercheck
var nav=navigator.appVersion;
var mac=(nav.indexOf('Mac')>0) ? true : false;
nav=(document.all) ? 'ie' : 'nn';

// byta bild

function MM_swapImgRestore() { 
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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 MM_swapImage() { 
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// Popupfönster

function popUp(url,sX,sY,resize,scroll) {
	window.open(url,'newWin','width='+sX+',height='+sY+',resizable='+resize+',scrollbars='+scroll+'');
}		

// Sätter markören i angivet fält
// anropas lämpligen i <body onload=
// argument1 är formulärets namn argument2 är fältets namn

function fieldFocus(formname, fieldname)
	{
		str ="document." + formname + "." + fieldname + ".focus()"
		eval(str)
	}
	
// Nada
function nada() {;}

//CHECK FORM REQUIRED FIELDS

function CheckRequiredFields() {
var errormessage = new String();
// Put field checks below this point.

if(WithoutContent(document.contactform.name.value))
	{ errormessage += "\n\nFyll i ditt namn"; }

if(WithoutContent(document.contactform.email.value))
	{ errormessage += "\n\nFyll i din e-postadress"; }	

if(WithoutContent(document.contactform.phone.value))
	{ errormessage += "\n\nFyll i ditt telefonnummer"; }

if(WithoutSelectionValue(document.contactform.matter))
	{ errormessage += "\n\nVälj ett ärende i rullgardinsmenyn"; }
	
if(WithoutContent(document.contactform.message.value))
	{ errormessage += "\n\nSkriv ett meddelande"; }

// Put field checks above this point.
if(errormessage.length > 2) {
	alert('Obs!' + errormessage);
	return false;
	}
return true;
} // end of function CheckRequiredFields()


function WithoutContent(ss) {
if(ss.length > 0) { return false; }
return true;
}

function NoneWithContent(ss) {
for(var i = 0; i < ss.length; i++) {
	if(ss[i].value.length > 0) { return false; }
	}
return true;
}

function NoneWithCheck(ss) {
for(var i = 0; i < ss.length; i++) {
	if(ss[i].checked) { return false; }
	}
return true;
}

function WithoutCheck(ss) {
if(ss.checked) { return false; }
return true;
}

function WithoutSelectionValue(ss) {
for(var i = 0; i < ss.length; i++) {
	if(ss[i].selected) {
		if(ss[i].value.length) { return false; }
		}
	}
return true;
}
