steg=1;
   function stega()
   {
      document.getElementById('steg'+steg).src="images/steg"+steg+".gif";               
      steg++;
      if(steg==6)steg=1;
      document.getElementById('steg'+steg).src="images/steg"+steg+"_on.gif";
   }
   
   function intOrNaN(inmObj) //Körs vid inmatning, kollar NaN
	{
			val = parseInt(inmObj.value);
			if(isNaN(val))
			{			
				noErr=false;
			}
			else inmObj.value=val;	
	}
	
	function validateInmNum(inmObj,minVal,maxVal,def) //Validering som körs vid onchange
	{
		val=inmObj.value;
		
		//Korrekterar vid NaN, sätter sparat värde
		if(isNaN(val))
		{
			val = def;
			noErr = true;
			inmObj.value=parseInt(val);
		}
			
		if(val=='') inmObj.value=def;
		else if(val<minVal){
			inmObj.value=minVal;
			noErr=true;
		}
		else if(val>maxVal) inmObj.value=maxVal;
	
	}

/* AJAX  */

function GetXmlHttpObject()
 {
	 var xmlHttpReq=null;
	 
	 //Firefox, Opera, Safari /IE7
	 try
	 	{
		 	xmlHttpReq = new XMLHttpRequest();
	 	}
	 catch (e)
	 {
		 try
		 {
			  xmlHttpReq = new sActiveXObject("Msxml2.XMLHTTP");
		 }
		 catch (e)
		 {
			try
			{
				new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{
				alert('No support for AJAX');
				return false;	
			} 
		 }
		 
	 }
	 
	 return xmlHttpReq; 
	 
 } 


 	function loadXMLString(txt)
{
try //Internet Explorer
  {
  xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
  xmlDoc.async="false";
  xmlDoc.loadXML(txt);
  return(xmlDoc);
  }
catch(e)
  {
  try //Firefox, Mozilla, Opera, etc.
    {
    parser=new DOMParser();
    xmlDoc=parser.parseFromString(txt,"text/xml");
    return(xmlDoc);
    }
  catch(e) {alert(e.message)}
  }
return(null);
} 
 
function stripXML(response,tagg)
	{
		return response.substring((response.search('<'+tagg+'>')+tagg.length+2),response.search('</'+tagg+'>'));
	}
	
	
	//Key launch
 function keyLaunch(e,trigger)
 {
	var keynum;
	 
	//Keynummer
	if(window.event) // IE
	{
		keynum = e.keyCode;	
	}
	else if(e.which) // Netscape/Firefox/Opera
	{
		keynum = e.which	
	}
	
	//Jämför
	if(keynum == trigger)
	{
		return true;
	}
	else
	{
		return false;
	}	
 }