function convertTempform(form)
{
	if (form.elements[1].value != null && form.elements[1].value.length != 0) 
	{
		firstvalue = form.elements[1].value
		form.elements[2].value = formatvalue((1.8 * firstvalue) + 32, form.rsize);
		return
	}
	if (form.elements[2].value != null && form.elements[2].value.length != 0) 
	{
		firstvalue = form.elements[2].value
		form.elements[1].value = formatvalue(( firstvalue - 32) / 1.8, form.rsize);
		return
	}
}

function convertform(form){
    var firstvalue = 0;

    for (var i = 1; i <= form.count; i++) {

       // Find first non-blank entry

       if (form.elements[i].value != null && form.elements[i].value.length != 0) {

          if (i == 1 && form.elements[2].value != "") return false;

          firstvalue = form.elements[i].value / form.elements[i].factor;

          break;

       }

    }

    if (firstvalue == 0) {

       clearform(form);

       return false;

    }

    for (var i = 1; i <= form.count; i++)

       form.elements[i].value = formatvalue((firstvalue * form.elements[i].factor), form.rsize);

    return true;

}

function formatvalue(input, rsize) {

   var invalid = "**************************";

   var nines = "999999999999999999999999";

   var strin = "" + input;

   var fltin = parseFloat(strin);

   if (strin.length <= rsize) return strin;

   if (strin.indexOf("e") != -1 ||

       fltin > parseFloat(nines.substring(0,rsize)+".4"))

      return invalid.substring(0, rsize);

   var rounded = "" + (fltin + (fltin - parseFloat(strin.substring(0, rsize))));

   return rounded.substring(0, rsize);

}

function resetform(form) {

    clearform(form);

    form[1].value = 1;

    convertform(form);

    return true;

}

function clearform(form) {

    for (var i = 1; i <= form.count; i++) form[i].value = "";

    return true;

}