function isNumeric(s)
{
   var charNums = "0123456789.";
   var isNumber = true;
   var charchar;
 
   for (i = 0; i < s.length && isNumber == true; i++) 
   { 
      charchar = s.charAt(i); 
      if (charNums.indexOf(charchar) == -1) 
         {
         	isNumber = false;
         }
   }
   return isNumber;
}

// Macromedia functions
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function newWin(u) {
		window.open(u);	
}