function validateText(id)
{
	var txtValue = document.getElementById(id).value;
	// Valid numbers
	var validChar = "0123456789abcdefghijklmnopqrstuvwxyz.-";

        if (id == 'attrib-14-0') {
            var validChar= "0123456789";
	    /* Loop over contents. If any character is not a number,
	       set the return value to false. */
	     txtValue = txtValue.toLowerCase();   // lowercase characters?
	     // Now scan string for illegal characters
	     for (i=0;i<txtValue.length;i++)
	      {
		if(validChar.indexOf(txtValue.charAt(i))<0)
		{
			alert("Please enter only characters 0-9");
			var num = document.getElementById(id).value.length - 1;
			document.getElementById(id).value = document.getElementById(id).value.substring(0,num);
			return false;
		}
	      }
          }
	  return true;
}