function create_request_string(theForm)
{
var reqStr = "";

for(i=0; i < theForm.elements.length; i++)
{
isFormObject = false;

switch (theForm.elements[i].tagName)
{
case "INPUT":

switch (theForm.elements[i].type)
{
case "text":
case "hidden":
reqStr += theForm.elements[i].name + "=" + encodeURIComponent(theForm.elements[i].value);
//reqStr += theForm.elements[i].name + "=" + escape(theForm.elements[i].value);
isFormObject = true;
break;

case "checkbox":
if (theForm.elements[i].checked)
{
reqStr += theForm.elements[i].name + "=" + theForm.elements[i].value;
}else{
reqStr += theForm.elements[i].name + "=";
}
isFormObject = true;
break;

case "radio":
if (theForm.elements[i].checked)
{
reqStr += theForm.elements[i].name + "=" + theForm.elements[i].value;
isFormObject = true;
}
}
break;

case "TEXTAREA":

reqStr += theForm.elements[i].name + "=" + encodeURIComponent(theForm.elements[i].value);
//reqStr += theForm.elements[i].name + "=" + escape(theForm.elements[i].value);
isFormObject = true;
break;

case "SELECT":
var sel = theForm.elements[i];
reqStr += sel.name + "=" + sel.options[sel.selectedIndex].value;
isFormObject = true;
break;
}

if ((isFormObject) && ((i+1)!= theForm.elements.length))
{
reqStr += "&";
}

}

return reqStr;
}