var que = "?";
var and = "&";
var bracket = "#";
var divider = "@";
var equals = "=";
var inputVal = "value";
var boxChecked = "checked";

// Show menu

function showMenu(id) { 
  if (id.style.visibility == 'hidden') {
    id.style.visibility = 'visible';  
    	}
  else {
	id.style.visibility = 'hidden';
  	}  
      }

// Hide menu

function hideMenu(id){
	id.style.visibility = 'hidden';
	}

// Open window

function openWindow(url, name)
{
	window.open(url, name, popupParams(name));
}

// Close window

function closeWindow()
{
	self.close();
}

// Popup parameters

function popupParams(page)
{
	var params;
	
	switch ( page.toLowerCase() )
	{
		case "help" :
			params = 'toolbar=0,location=0,top=150,left=450,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=550,height=200';	
			break;
		case "invoice" :
			params = 'toolbar=1,location=0,top=0,left=350,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=700,height=900';	
			break;
		case "disppicture" :
			params = 'toolbar=0,location=0,top=0,left=250,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=750,height=900';	
			break;
		case "disponepicture" :
			params = 'toolbar=0,location=0,top=0,left=250,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=750,height=500';	
			break;
		case "pdf" :
			params = 'toolbar=1,location=0,top=0,left=350,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=700,height=900';	
			break;
		case "blankpage" :
			params = '';
			break;		
		case "popup" :
			params = 'toolbar=0,location=0,top=100,left=350,directories=0,status=1,menubar=0,scrollbars=0,resizable=0,width=500,height=600';
			break;	
		default :
			params = 'toolbar=0,location=0,top=300,left=450,directories=0,status=1,menubar=0,scrollbars=0,resizable=0,width=400,height=400';
			break;	
	}
	
	return params;
}

function chkTipFriend(){

	MyName = document.tipFriend.MyName.value;
	if(MyName == ""){
	window.alert("Ange namn!")
	tipFriend.MyName.focus();
	return false;
	}
	RecvEmail = document.tipFriend.RecvEmail.value;
	if (RecvEmail == ""){
	window.alert ("E-post skall anges!");
	tipFriend.RecvEmail.focus();
	tipFriend.RecvEmail.select();
	return false;
	}
	paaPos = RecvEmail.indexOf('@',0);
	if (paaPos == -1){
	window.alert ("E-post skall anges!");
	tipFriend.RecvEmail.focus();
	tipFriend.RecvEmail.select();
	return false;
	}
	punktumPos = RecvEmail.indexOf ('.',paaPos);
	if (punktumPos == -1){
	window.alert ("E-post skall anges!");
	tipFriend.RecvEmail.focus();
	tipFriend.RecvEmail.select();
	return false;
	}
	if (punktumPos+3 > RecvEmail.length) {
	window.alert ("E-post skall anges!");
	tipFriend.RecvEmail.focus();
	tipFriend.RecvEmail.select();
	return false;
	}

}

function chkAcceptCond(f){

	if (f.acceptConditions.checked == false) {
	   window.alert("Ni måste godkänna köpvillkoren!")
	   form1.acceptConditions.focus();
	   return false;
	}
   else return true;

}