/*function CheckOK()
{
	frm=document.forms[0]
	if(frm.chkOK.checked)
		{frm.btOK.disabled=false}
	else
		{frm.btOK.disabled=true}
}*/

function Check_SendRequisites()
{
	frm=document.forms[0];
	if(frm.chkOK.checked && (frm.txtTitle.value.length > 0))
	{
		frm.btOK.disabled=false;
	}
	else
		frm.btOK.disabled=true;
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		bt_00 = newImage("img/header_back.jpg");
		preloadFlag = true;
	}
}

function MsgBox(msg){
	var agree=confirm(msg);
	if (agree) return true ;
	else return false ;
}

function info(URL) {
	day = new Date();
	id = day.getTime();
	xresnow=680;//resolucion de ventana pop-up
	yresnow=650;
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=" + xresnow + ",height=" + yresnow + ",left = " + ((screen.availWidth/2)-(xresnow/2)) + ",top = " + ((screen.availHeight/2)-(yresnow/2)) + "');");
}

function showToolTip(text) {
    var tt = document.getElementById('toolTipDiv');
    tt.style.top = (mouseY + 10) + "px";
    tt.style.left = mouseX + "px";
    tt.innerHTML = unescape(text);
    tt.style.visibility = 'visible';
}

function hideToolTip() {
    document.getElementById('toolTipDiv').style.visibility = 'hidden';
}

var mouseX = 0;
var mouseY = 0;

function mouseXY(e) {
    if (IE) {
        //mouseX = event.clientX + document.body.scrollLeft;
        //mouseY = event.clientY + document.body.scrollTop;
    } else {
        mouseX = e.pageX;
        mouseY = e.pageY;
    }
}
// set up mouse movement capture for tool tip placement
var IE = document.all?true:false;
document.onmousemove=mouseXY;

function imprimir()
{
	bV = parseInt(navigator.appVersion);
	if (bV >= 4) window.print();
}

function formulariocompleto(Formulario)
{
	var i=0;
	while (i < document.forms[Formulario].elements.length)
	{
		if (document.forms[Formulario].elements[i].value=='')
		{
			alert('Por favor rellene todos los datos');
			document.forms[Formulario].elements[i].focus();
			return false;
		}
		i ++;
	}
	return true;
}

function IsEmpty(s)
{
	var whitespace = " \t\n\r";
	var i;

	if(s.length == 0)
	{
		return true;
	}

	for (i = 0; i < s.length; i++)
	{
		var c = s.charAt(i);

		if (whitespace.indexOf(c) == -1)
		{
			return false;
		}
	}
	return true;
}

function IsEmail(_email)
{
     var emailReg = /^[a-z][a-z-_0-9\.]+@[a-z-_=>0-9\.]+\.[a-z]{2,3}$/i
     return emailReg.test(_email);
}


function AbreImagen(UrlImagen)
{
	window.open("imagen_popup.php?img=" + UrlImagen, "imagen" + Math.floor(Math.random()*11),"width=1000,height=1000,scrollbars=no,titlebar=no,status=no,toolbar=no,menubar=no,location=no,resizable=yes");
}

function MostrarOcultar(item) {
	var obj_layer = document.getElementById(item);

	if (obj_layer.style.display == "none"){
		obj_layer.style.display = "inline";
	}else{
		obj_layer.style.display = "none";
	}
}