function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Felaktig E-postadress")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Felaktig E-postadress")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		   alert("Felaktig E-postadress")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		   alert("Felaktig E-postadress")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		   alert("Felaktig E-postadress")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		   alert("Felaktig E-postadress")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		   alert("Felaktig E-postadress")
		    return false
		 }

 		 return true					
	}

	function ValidateForm(){
		var emailID = document.getElementById("form1").txtEmail
	
		if ((emailID.value==null)||(emailID.value=="")){
			alert("Du har inte fyllt i någon E-mailadress!")
			emailID.focus()
			return false
		}
		if (echeck(emailID.value)==false){
			emailID.value=""
			emailID.focus()
			return false
		}
		return true
 	}  

function funcValidate(){

   if(document.getElementById("form1").txtName.value == ''){
    alert("Du måste fylla i ett namn");
	event.returnValue = false;
   } else {
   	if (ValidateForm() == false) {
		event.returnValue = false;
	}
   }
  }

  function popnews(id){
   window.open("popnews.asp?id="+id,"Nyheter","width=470,height=400"); 
  }


  function configureMenu(cat,link){

    document.getElementById("td"+cat).style.background = "#FFC001";
    document.getElementById("catLink"+cat).style.color = "#000000";
    document.getElementById("tdlink"+cat +link).style.background = "#FFC001";
    document.getElementById("linkstyle"+cat+link).style.color = "#000000";

   if(cat == 1) {

    document.getElementById("links1").style.visibility = "visible";
    document.getElementById("links2").style.visibility = "hidden";
    document.getElementById("links3").style.visibility = "hidden";
    document.getElementById("links4").style.visibility = "hidden";
    document.getElementById("links5").style.visibility = "hidden";

   } else if(cat == 2) {

    document.getElementById("links2").style.visibility = "visible";
    document.getElementById("links1").style.visibility = "hidden";
    document.getElementById("links3").style.visibility = "hidden";
    document.getElementById("links4").style.visibility = "hidden";
    document.getElementById("links5").style.visibility = "hidden";

   } else if(cat == 3) {

    document.getElementById("links3").style.visibility = "visible";
    document.getElementById("links2").style.visibility = "hidden";
    document.getElementById("links1").style.visibility = "hidden";
    document.getElementById("links4").style.visibility = "hidden";
    document.getElementById("links5").style.visibility = "hidden";

   } else if(cat == 4) {

    document.getElementById("links4").style.visibility = "visible";
    document.getElementById("links2").style.visibility = "hidden";
    document.getElementById("links3").style.visibility = "hidden";
    document.getElementById("links1").style.visibility = "hidden";
    document.getElementById("links5").style.visibility = "hidden";

   } else if(cat == 5) {

    document.getElementById("links5").style.visibility = "visible";
    document.getElementById("links2").style.visibility = "hidden";
    document.getElementById("links3").style.visibility = "hidden";
    document.getElementById("links4").style.visibility = "hidden";
    document.getElementById("links1").style.visibility = "hidden";
   }
  }

  function toggleLayer(layerid){

   if(layerid == 1){

    document.getElementById("links1").style.visibility = "visible";
    document.getElementById("links2").style.visibility = "hidden";
    document.getElementById("links3").style.visibility = "hidden";
    document.getElementById("links4").style.visibility = "hidden";
    document.getElementById("links5").style.visibility = "hidden";

    document.getElementById("td1").style.background = "#FFC001";
    document.getElementById("catlink1").style.color = "#000000";

    document.getElementById("td2").style.background = "";
    document.getElementById("catlink2").style.color = "#FFFFFF";

    document.getElementById("td3").style.background = "";
    document.getElementById("catlink3").style.color = "#FFFFFF";

    document.getElementById("td4").style.background = "";
    document.getElementById("catlink4").style.color = "#FFFFFF";

    document.getElementById("td5").style.background = "";
    document.getElementById("catlink5").style.color = "#FFFFFF";

   } else if(layerid == 2) {

    document.getElementById("links2").style.visibility = "visible";
    document.getElementById("links1").style.visibility = "hidden";
    document.getElementById("links3").style.visibility = "hidden";
    document.getElementById("links4").style.visibility = "hidden";
    document.getElementById("links5").style.visibility = "hidden";

    document.getElementById("td2").style.background = "#FFC001";
    document.getElementById("catlink2").style.color = "#000000";

    document.getElementById("td1").style.background = "";
    document.getElementById("catlink1").style.color = "#FFFFFF";

    document.getElementById("td3").style.background = "";
    document.getElementById("catlink3").style.color = "#FFFFFF";

    document.getElementById("td4").style.background = "";
    document.getElementById("catlink4").style.color = "#FFFFFF";

    document.getElementById("td5").style.background = "";
    document.getElementById("catlink5").style.color = "#FFFFFF";

   } else if(layerid == 3) {

    document.getElementById("links3").style.visibility = "visible";
    document.getElementById("links2").style.visibility = "hidden";
    document.getElementById("links1").style.visibility = "hidden";
    document.getElementById("links4").style.visibility = "hidden";
    document.getElementById("links5").style.visibility = "hidden";

    document.getElementById("td3").style.background = "#FFC001";
    document.getElementById("catlink3").style.color = "#000000";

    document.getElementById("td2").style.background = "";
    document.getElementById("catlink2").style.color = "#FFFFFF";

    document.getElementById("td1").style.background = "";
    document.getElementById("catlink1").style.color = "#FFFFFF";

    document.getElementById("td4").style.background = "";
    document.getElementById("catlink4").style.color = "#FFFFFF";

    document.getElementById("td5").style.background = "";
    document.getElementById("catlink5").style.color = "#FFFFFF";

   } else if(layerid == 4) {

    document.getElementById("links4").style.visibility = "visible";
    document.getElementById("links2").style.visibility = "hidden";
    document.getElementById("links3").style.visibility = "hidden";
    document.getElementById("links1").style.visibility = "hidden";
    document.getElementById("links5").style.visibility = "hidden";

    document.getElementById("td4").style.background = "#FFC001";
    document.getElementById("catlink4").style.color = "#000000";

    document.getElementById("td2").style.background = "";
    document.getElementById("catlink2").style.color = "#FFFFFF";

    document.getElementById("td3").style.background = "";
    document.getElementById("catlink3").style.color = "#FFFFFF";

    document.getElementById("td1").style.background = "";
    document.getElementById("catlink1").style.color = "#FFFFFF";

    document.getElementById("td5").style.background = "";
    document.getElementById("catlink5").style.color = "#FFFFFF";

   } else if(layerid == 5) {

    document.getElementById("links5").style.visibility = "visible";
    document.getElementById("links2").style.visibility = "hidden";
    document.getElementById("links3").style.visibility = "hidden";
    document.getElementById("links4").style.visibility = "hidden";
    document.getElementById("links1").style.visibility = "hidden";

    document.getElementById("td5").style.background = "#FFC001";
    document.getElementById("catlink5").style.color = "#000000";

    document.getElementById("td2").style.background = "";
    document.getElementById("catlink2").style.color = "#FFFFFF";

    document.getElementById("td3").style.background = "";
    document.getElementById("catlink3").style.color = "#FFFFFF";

    document.getElementById("td1").style.background = "";
    document.getElementById("catlink1").style.color = "#FFFFFF";

    document.getElementById("td4").style.background = "";
    document.getElementById("catlink4").style.color = "#FFFFFF";
   }   
  }