//Image rollover
function move_in(img_name,img_src) {document[img_name].src=img_src;}
function move_out(img_name,img_src) {document[img_name].src=img_src;}

//Check emailaddress
function checkEmail(email) {
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)){
		return true
	}
	else{
		return false
	}
}

//check for valid numeric strings	
function IsNumericValuta(strString){
   var strValidChars = "0123456789.,";
   var strChar;
   var blnResult = true;

   if (strString.length == 0) return false;

   for (i = 0; i < strString.length && blnResult == true; i++)
      {
      strChar = strString.charAt(i);
      if (strValidChars.indexOf(strChar) == -1)
         {
         blnResult = false;
         }
      }
   return blnResult;
}