/**

* Internally used to prepare Post data.

* If the form is submited with <input type=submit|image>,

* submitButton is a reference to the DHTML object. Otherwise - undefined.

*/

function preparePostData(formId, submitButton) {

    var form = document.getElementById(formId);

    var result = "xmlrequest=true";

    for (var i = 0; i < form.elements.length; i++) {

        var el = form.elements[i];

        if (el.tagName.toLowerCase() == "select") {

            for (var j = 0; j < el.options.length; j++) {

                var op = el.options[j];

                if (op.selected)

                    result += "&" + encodeURIComponent(el.name) + "=" + encodeURIComponent(op.value);

            }

        } else if (el.tagName.toLowerCase() == "textarea") {

            result += "&" + encodeURIComponent(el.name) + "=" + encodeURIComponent(el.value);

        } else if (el.tagName.toLowerCase() == "input") {

            if (el.type.toLowerCase() == "checkbox" || el.type.toLowerCase() == "radio") {

                if (el.checked)

                    result += "&" + encodeURIComponent(el.name) + "=" + encodeURIComponent(el.value);

            } else if (el.type.toLowerCase() == "submit") {

               if (el == submitButton) {// is "el" the submit button that fired the form submit?

                    result += "&" + encodeURIComponent(el.name) + "=" + encodeURIComponent(el.value);

               }

            } else if (el.type.toLowerCase() != "button") {

                result += "&" + encodeURIComponent(el.name) + "=" + encodeURIComponent(el.value);

            }

        }

    }

    if(submitButton != '') {

    	var button = document.getElementById(submitButton);

    	result += "&" + encodeURIComponent(button.name) + "=" + encodeURIComponent(button.value);

    /*

    if (typeof submitButton != 'undefined' && submitButton != null && submitButton.type.toLowerCase() == "image") {

        if (submitButton.name == null || submitButton.name == "" || typeof submitButton.name == "undefined")

            result += "&x=1&y=1"; // .x and .y coordinates calculation is not supported.

        else

            result += "&" + encodeURIComponent(submitButton.name) + ".x=1&" +

                      encodeURIComponent(submitButton.name) + ".y=1";

    }*/

    }

    return result;

}





function openPopup(url,width,height){

	//alert("url"+url);

	window.open(url,'','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width='+width+',height='+height+',top=100,left=100')

}



function openPopupOpciones(url,width,height,texto){

	child = window.open(url,'','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width='+width+',height='+height+',top=150,left=700');



}





function enviado() {

	if (cuenta == 0)

	{

		cuenta++;

		return true;

	}

	else

	{

		alert("Enviando formulario, por favor aguarde un instante.");

		return false;

	}



}