//////////////////////////////////////////////////
//FUNCION OBJETO AJAX
function objetoAjax() {	
	var xmlhttp=false;
	try {
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		try {
		   xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e) {
			xmlhttp = false;
  		}
	}
	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
}
//
//////////////////////////////////////////////////

//----------------------------------------------//

//////////////////////////////////////////////////
//FUNCION OBTIENE ELEMENTOS DEL FORMULARIO
function getFormValues(x) { 
	var str = ""; var valueArr = null; var val = ""; var cmd = ""; 
	for(var i = 0; i < document.forms[x].elements.length;i++) { 
		switch(document.forms[x].elements[i].type) { 
			case "hidden": 
				str += document.forms[x].elements[i].name + "=" + escape(document.forms[x].elements[i].value) + "&"; 
				break;
			case "text":
				cmd = "(" + 'document.forms[x].elements[i].value' + ")"; 
				val = eval(cmd)
				str += document.forms[x].elements[i].name + "=" + escape(document.forms[x].elements[i].value) + "&";
				break;
			case "textarea": 
				cmd = "(" + 'document.forms[x].elements[i].value' + ")"; 
				val = eval(cmd) 
				str += document.forms[x].elements[i].name + "=" + escape(document.forms[x].elements[i].value) + "&"; 
				break;                                  
			case "radio": 
				var nombre=document.forms[x].elements[i].name;
				var form_nombre=document.forms[x].name;
				var numero_radios = eval("(" + 'document.'+form_nombre+'.'+nombre+'.length' + ")"); 
				var elvalor; var aux; var k = 0;
				while(k < numero_radios) {
					aux = eval("(" + 'document.'+form_nombre+'.'+nombre+'[' + k + ']' + ")")
					if(aux.checked) elvalor = aux.value;
					k++;
				}
				str += nombre + "=" + escape(elvalor) + "&"; 
				break;
			case "select-one": 
				str += document.forms[x].elements[i].name + "=" + document.forms[x].elements[i].options[document.forms[x].elements[i].selectedIndex].value + "&"; 
				break; 
		} 
	} 
	str = str.substr(0,(str.length - 1)); 
	return str; 
}
//
//////////////////////////////////////////////////

//----------------------------------------------//

/////////////////////////////////////////////////
//FUNCION CENTRAR DIV
function centrarDiv(divObj){
	var ie=document.all && !window.opera;
	var dom=document.getElementById;
	standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body
	var scroll_top=(ie)? standardbody.scrollTop : window.pageYOffset;
	var scroll_left=(ie)? standardbody.scrollLeft : window.pageXOffset;
	var docwidth=(ie)? standardbody.clientWidth : window.innerWidth-16;
	var docheight=(ie)? standardbody.clientHeight: window.innerHeight;
	var docheightcomplete=(standardbody.offsetHeight>standardbody.scrollHeight)? standardbody.offsetHeight : standardbody.scrollHeight;
	var objwidth=divObj.offsetWidth;
	var objheight=divObj.offsetHeight;
	var topposition=(docheight>objheight)? scroll_top+docheight/2-objheight/2+"px" : scroll_top+"px";
	divObj.style.left=docwidth/2-objwidth/2+"px";
	divObj.style.top=Math.floor(parseInt(topposition))+"px";
}
//
/////////////////////////////////////////////////

//----------------------------------------------//

/////////////////////////////////////////////////
//FUNCION LOADING ACTUALIZA
function loadingA(n){
	var divLoading=document.getElementById("cargador_tabla");
	if (divLoading != null) {
		(n==1)?centrarDiv(divLoading):"";
		divLoading.style.visibility=(n==1)?"visible":"hidden";
	}
}
//
/////////////////////////////////////////////////

//----------------------------------------------//

//////////////////////////////////////////////////
//FUNCIONES DRAG CITAS
function Browser() {

  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}

var browser = new Browser();

// Global object to hold drag information.

var dragObj = new Object();
dragObj.zIndex = 0;

function dragStart(event, id) {

  var el;
  var x, y;

  // If an element id was given, find it. Otherwise use the element being
  // clicked on.

  dragObj.elNode = document.getElementById(id);

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Save starting positions of cursor and element.

  dragObj.cursorStartX = x;
  dragObj.cursorStartY = y;
  dragObj.elStartLeft  = parseInt(dragObj.elNode.style.left, 10);
  dragObj.elStartTop   = parseInt(dragObj.elNode.style.top,  10);

  if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
  if (isNaN(dragObj.elStartTop))  dragObj.elStartTop  = 0;

  // Update element's z-index.

  dragObj.elNode.style.zIndex = ++dragObj.zIndex;

  // Capture mousemove and mouseup events on the page.

  if (browser.isIE) {
    document.attachEvent("onmousemove", dragGo);
    document.attachEvent("onmouseup",   dragStop);
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS) {
    document.addEventListener("mousemove", dragGo,   true);
    document.addEventListener("mouseup",   dragStop, true);

    event.preventDefault();
  }
}

function dragGo(event) {

  var x, y;

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Move drag element by the same amount the cursor has moved.

  dragObj.elNode.style.left = (dragObj.elStartLeft + x - dragObj.cursorStartX) + "px";
  dragObj.elNode.style.top  = (dragObj.elStartTop  + y - dragObj.cursorStartY) + "px";

  if (browser.isIE) {
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS)
    event.preventDefault();
}

function dragStop(event) {

  // Stop capturing mousemove and mouseup events.

  if (browser.isIE) {
    document.detachEvent("onmousemove", dragGo);
    document.detachEvent("onmouseup",   dragStop);
  }
  if (browser.isNS) {
    document.removeEventListener("mousemove", dragGo,   true);
    document.removeEventListener("mouseup",   dragStop, true);
  }
}
//////////////////////////////////////////////////

//----------------------------------------------//

/////////////////////////////////////////////////
//FUNCION MOSTRAR TRANSPARENCIA
function transparent(op){
	//op => 1=visible, 2=no visible
	var trans=document.getElementById("transparencia");
	
	if (op==1) {
	
		var ie=document.all && !window.opera;
		var dom=document.getElementById;
		standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body
		var docwidth=(ie)? standardbody.clientWidth : window.innerWidth-16;
		var docheight=(ie)? standardbody.clientHeight: window.innerHeight;
		var docheightcomplete=(standardbody.offsetHeight>standardbody.scrollHeight)? standardbody.offsetHeight : standardbody.scrollHeight;
		
		trans.style.width=docwidth+"px";
		trans.style.height=docheightcomplete+"px";
		trans.style.visibility="visible";
	} else {
		trans.style.visibility="hidden";
	}
}
//
/////////////////////////////////////////////////

//----------------------------------------------//

//////////////////////////////////////////////////
//FUNCION MOSTRAR CALENDARIO
function mostrarCalendario(fecha) {
	transparent(1);
	loadingA(1);
	
	var divResultado=document.getElementById("resultado_calendario");
	
	var ajax=new objetoAjax();
	ajax.open("GET","calendario.php?f="+fecha, true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4 && ajax.status==200)	{ 
			divResultado.innerHTML=ajax.responseText;
			loadingA(2);
			transparent(2);
		} 
	}
	ajax.send(null);
}
//////////////////////////////////////////////////

//----------------------------------------------//

//////////////////////////////////////////////////
//FUNCION CREAR VENTANA
function crearVentana(url) {
	transparent(1);
	loadingA(1);
	
	var divResultado=document.getElementById("contenido");
	
	var ajax=new objetoAjax();
	ajax.open("GET", url, true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4 && ajax.status==200)	{ 
			divResultado.innerHTML=ajax.responseText;
			centrarDiv(divResultado);
			loadingA(2);
			divResultado.style.visibility="visible";
		} 
	}
	ajax.send(null);
}
//////////////////////////////////////////////////

//----------------------------------------------//

//////////////////////////////////////////////////
//FUNCION CERRAR VENTANA
function cerrarVentana(fecha) {
	var cont=document.getElementById("contenido");
	cont.style.visibility="hidden";
	mostrarCalendario(fecha);
	document.getElementById("error_1").style.visibility="hidden";
	document.getElementById("error_2").style.visibility="hidden";
	document.getElementById("error_3").style.visibility="hidden";
}
//////////////////////////////////////////////////

//----------------------------------------------//

//////////////////////////////////////////////////
//FUNCION CITAS ALTA
function citasAlta(frm) {
	//limpiar errores
	var filter=/^[A-Za-z][A-Za-z0-9_.-]*@[A-Za-z0-9_.-]+\.[A-Za-z0-9_.-]+[A-za-z]$/;
	var e=document.getElementById("exito");
	e.style.display="none";
	document.getElementById("error_1").style.visibility="hidden";
	document.getElementById("error_2").style.visibility="hidden";
	document.getElementById("error_3").style.visibility="hidden";
	//valida form
	var error=0;
	if(frm.paciente.value=="") {
		document.getElementById("error_1").style.visibility="visible";
		error++;
	}
	if(frm.tel.value=="" && frm.mail.value=="" ) {
		document.getElementById("error_2").style.visibility="visible";
		error++;
	}
	if ((frm.mail.value!="") && !filter.test(frm.mail.value)) {
		document.getElementById("error_3").style.visibility="visible";
		error++;
	}
	
	if (error==0) {
		var btn=frm.alta;
		var progress=document.getElementById("cita_progres");
		
		btn.style.display="none"; //oculta boton
		progress.style.display="block"; //muestra progress
		
		var str = getFormValues(frm.name);
		var ajax=new objetoAjax();
		ajax.open("POST", "citas_proceso.php?a=a", true);
		ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		ajax.send(str);
		ajax.onreadystatechange=function() {
			if (ajax.readyState==4 && ajax.status==200) {
				document.getElementById("txt_imprimir").innerHTML=ajax.responseText;
				e.style.display="block";
				frm.reset();
				progress.style.display="none"; //oculta progress
				btn.style.display="block"; //muestra boton
				
			}
		}
	}
}
//////////////////////////////////////////////////

//----------------------------------------------//

//////////////////////////////////////////////////
//FUNCION VENTANA POPUP
function popup(url){
  var popup=window.open(url, "pop", "toolbar=0, scrollbars=1, location=0, statusbar=0, menubar=0, resizable=1, width=650, height=400, left=340, top=212");
  popup.focus();
} 
//////////////////////////////////////////////////

//----------------------------------------------//¡
//////////////////////////////////////////////////
//FUNCION ACTUALIZA CHAT ASESORES
var ofc=0;
function actualizaChat() {	
	var divonline = document.getElementById('online');
	var divoffline = document.getElementById('offline');
	var ajax=new objetoAjax();
	ajax.open("GET", "verifica_asesor.php", true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4 && ajax.status==200)	{ 
			var actual = parseInt(ajax.responseText);
			if ((actual > 0 ) && (ofc == 0)){
				divoffline.style.display="none";
				divonline.style.display="block";
				ofc=1;
			}else if(actual == 0){
				divoffline.style.display="block";
				divonline.style.display="none";
				ofc=0;
			}
			setTimeout("actualizaChat()",30000)
		}
	}
	ajax.send(null);
}
//////////////////////////////////////////////////
//////////////////////////////////////////////////
//FUNCION CARGA SECCIÓN
function cargaSeccion(file,div) {
	var divResultado = document.getElementById(div);
	divResultado.innerHTML="Cargando...";
	var ajax=new objetoAjax();
	ajax.open("GET", file, true);
	ajax.onreadyStatechange=function () {
		if (ajax.readyState==4 && ajax.status==200) {
			divResultado.innerHTML= ajax.responseText;
		}
	}
	ajax.send(null);
}
//
/////////////////////////////////////////////////