function validate()
{
var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
valid = true;	
if(document.getElementById('namns').value==""){
	alert ( "Du måste fylla i namn");
             valid = false;
}
else if ((reg.test(document.getElementById('eposts').value) == false) && (valid == true))
{
	     alert ( "Ej giltig e-post adress" );
		 valid = false;
}
else if((document.getElementById('commentss').value=="") && (valid == true)){
	alert ( "Du måste fylla i meddelande");
             valid = false;
}
 return valid;
}

function validate_v()
{
var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
valid = true;	
if(document.getElementById('namnv').value==""){
	alert ( "Du måste fylla i namn");
             valid = false;
}
else if ((reg.test(document.getElementById('epostv').value) == false) && (valid == true))
{
	     alert ( "Ej giltig e-post adress" );
		 valid = false;
}
else if((document.getElementById('commentsv').value=="") && (valid == true)){
	alert ( "Du måste fylla i meddelande");
             valid = false;
}
 return valid;
}

function validate_e()
{
var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
valid = true;	
if(document.getElementById('namne').value==""){
	alert ( "Du måste fylla i namn");
             valid = false;
}
else if ((reg.test(document.getElementById('eposte').value) == false) && (valid == true))
{
	     alert ( "Ej giltig e-post adress" );
		 valid = false;
}
else if((document.getElementById('commentse').value=="") && (valid == true)){
	alert ( "Du måste fylla i meddelande");
             valid = false;
}
 return valid;
}

function validate_form()
{
valid = true;	

//Loopa igenom radionbuttons
var radio_choice = false;
for (counter = 0; counter < myform.typ.length; counter++)
{
if (myform.typ[counter].checked)
radio_choice = true; 
}
	
	 if (!radio_choice)
       {
            alert ( "Du måste välja betalningstyp");
             valid = false;
       }	   
	else if ((myform.kundnr.value=="") && (valid == true))
		{
	     alert ( "Du måste fylla i kundnummer" );
		 valid = false;
	   }
	else if ((myform.refno.value=="") || (isNaN(myform.refno.value)) || (myform.refno.value.length!=4) && (valid == true))
       {
            alert ( "Best. Nr stämmer inte" );
             valid = false;
	   }
	else if ((myform.summa.value=="") || (isNaN(myform.summa.value)) && (valid == true))
       {
            alert ( "Priset måste fyllas i och vara i kr." );
             valid = false;
       } 
	 else if ( (myform.Comment.value == "")  && (valid == true))
       {
            alert ( "Du måste fylla i ditt namn" );
             valid = false;
       }	   
        return valid;
}

function isNumberKey(evt)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && charCode!=46 && (charCode < 48 || charCode > 57))
            return false;

         return true;
	  }

function refreshImages(){
var search="?"+(new Date()).getTime();
for(var i=0;i<document.images.length;document.images[i++].src+=search);
}

var sWidth = screen.width;
sWidth=(sWidth/2)-350;
function winPopUp(filename) {
msgWindows=window.open(filename, "","top=150,left=" + sWidth + ",resizable=yes,scrollbars=no,width=350,height=420");
}
function winPopUploop(filename) {
msgWindows=window.open(filename, "","top=150,left=" + sWidth + ",resizable=yes,scrollbars=no,width=600,height=400");
}
/*använd vid utskrift fönster
function winPopUpprint(filename) {
msgWindows=window.open(filename, "","top=150,left=" + sWidth + ",resizable=yes,scrollbars=yes,width=700,height=600");
            }
*/
//*************KALENDER************************************
function validate_kalender(){
	
	valid = true;
	
var Todaydate = new Date(); 
var Formatteddate = Todaydate.getDate() +"/" + Todaydate.getMonth() +"/" + Todaydate.getYear();
var time1 = Formatteddate + " " + document.getElementById("hour1").value + ":" + document.getElementById("min1").value;
var time2 = Formatteddate + " " + document.getElementById("hour2").value + ":" + document.getElementById("min2").value;
var StartTime = new Date(time1);
var EndTime = new Date(time2);
var TimeDiff = EndTime.getTime() - StartTime.getTime();

	if (document.kalenderform.date1.value == "0000-00-00" )
       {
            alert ( "Du måste välja datum" );
             valid = false;
       }
	   
	else if((TimeDiff < 0)  && (valid == true))
		{
		alert("Sluttid är tidigare än starttid"); 
		 valid = false;
		}

        return valid;
}
//**********till bloggen*******************************************
function visa(id, checkbox){
	if (document.getElementById(checkbox).checked)
	{
document.getElementById(id).style.display = "block";
	}
	else
	{ 
 	document.getElementById(id).style.display = "none";

	}
}

function validate_kom()
{
valid = true;
var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
 if (document.komform.knamn.value == "")
       {
            alert ( "Du måste fylla i ditt namn" );
             valid = false;
       }
else if(reg.test(document.komform.kepost.value) == false) 
	   {
      			alert("E-post adressen är ej korrekt skriven");
	               valid = false;
       }
        return valid;
}
//***********************Nyhetsbrev***********************************
function eatenter(e) {
if (window.event) { // IE
if (e.keyCode == 13) {
//override default value so you know it was caused by input

return false;
}
}
else if(e.which == 13) { // Netscape/Firefox/Opera

return false;
}
}