/*	
	NAME: setClass
	FUNC: Will change the class of provided object. Nice for onMouseOver effects.
*/
function setClass(thisobject, className){
	thisobject.className = className;
}


/* new on mouse over function */
function over (obj){
	obj.className=obj.className+'_over';
}

/* new on mouse out function */
function out (obj){
	var str=obj.className;
	var pos=str.indexOf("_over")
	obj.className=str.substr(0,pos);
}

// return the value of the radio button that is checked
// return an empty string if none are checked, or
// there are no radio buttons
function getCheckedValue(radioObj) {
	if(!radioObj)
	{
		return "None";
	}
	var radioLength = radioObj.length;
	if(radioLength == undefined)
	{
		if(radioObj.checked)
		{
			return radioObj.value;
		}
		else
		{
			return "None";
		}
	}

	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}

	return "None";
}


	//Sjekker om et felt inneholder en gyldig epostadresse (med punktum, @ og ikke mellomrom
	function checkMail(email) {	   
	   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	   var address = email;
	   if(reg.test(address) == false) {
		  return false;
	   }
	   else 
		{
		   return true;
		}
	}