// JavaScript Document

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();

//----------------------------------------------------------------------------
// Code for handling the menu bar and active button.
//----------------------------------------------------------------------------

var activeButton = null;

// Capture mouse clicks on the page so any active button can be
// deactivated.

if (browser.isIE)
  document.onmousedown = pageMousedown;
else
  document.addEventListener("mousedown", pageMousedown, true);

function pageMousedown(event) {
  var el;
  if (activeButton == null)
    return;

  if (browser.isIE)
    el = window.event.srcElement;
  else
    el = (event.target.tagName ? event.target : event.target.parentNode);

  if (el == activeButton)
    return;

  if (getContainerWith(el, "DIV", "menu") == null) {
    resetButton(activeButton);
    activeButton = null;
  }
}

function buttonClick(event, menuId) {
  var button;

  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;

  button.blur();

  if (button.menu == null) {
    button.menu = document.getElementById(menuId);
    menuInit(button.menu);
  }

  if (activeButton != null)
    resetButton(activeButton);

  if (button != activeButton) {
    depressButton(button);
    activeButton = button;
  }
  else
    activeButton = null;

  return false;
}

function buttonMouseover(event, menuId) {
  var button;

  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;

  if (activeButton != null && activeButton != button)
    buttonClick(event, menuId);
}

function depressButton(button) {
  var x, y;

  button.className += " menuButtonActive";

  x = getPageOffsetLeft(button);
  y = getPageOffsetTop(button) + button.offsetHeight - 1;

  if (browser.isIE) {
    x += button.offsetParent.clientLeft;
    y += button.offsetParent.clientTop;
  }

  button.menu.style.left = x + "px";
  button.menu.style.top  = y + "px";
  button.menu.style.visibility = "visible";
}

function resetButton(button) {
  removeClassName(button, "menuButtonActive");

  if (button.menu != null) {
    closeSubMenu(button.menu);
    button.menu.style.visibility = "hidden";
  }
}

function menuMouseover(event) {
  var menu;
  if (browser.isIE)
    menu = getContainerWith(window.event.srcElement, "DIV", "menu");
  else
    menu = event.currentTarget;

  if (menu.activeItem != null)
    closeSubMenu(menu);
}

function menuItemMouseover(event, menuId) {
  var item, menu, x, y;
  if (browser.isIE)
    item = getContainerWith(window.event.srcElement, "A", "menuItem");
  else
    item = event.currentTarget;
  menu = getContainerWith(item, "DIV", "menu");

  if (menu.activeItem != null)
    closeSubMenu(menu);
  menu.activeItem = item;

  item.className += " menuItemHighlight";

  if (item.subMenu == null) {
    item.subMenu = document.getElementById(menuId);
    menuInit(item.subMenu);
  }

  x = getPageOffsetLeft(item) + item.offsetWidth;
  y = getPageOffsetTop(item);

  var maxX, maxY;

  if (browser.isNS) {
    maxX = window.scrollX + window.innerWidth;
    maxY = window.scrollY + window.innerHeight;
  }
  if (browser.isIE && browser.version < 6) {
    maxX = document.body.scrollLeft + document.body.clientWidth;
    maxY = document.body.scrollTop  + document.body.clientHeight;
  }
  if (browser.isIE && browser.version >= 6) {
    maxX = document.documentElement.scrollLeft + document.documentElement.clientWidth;
    maxY = document.documentElement.scrollTop  + document.documentElement.clientHeight;
  }
  maxX -= item.subMenu.offsetWidth;
  maxY -= item.subMenu.offsetHeight;

  if (x > maxX)
    x = Math.max(0, x - item.offsetWidth - item.subMenu.offsetWidth
      + (menu.offsetWidth - item.offsetWidth));
  y = Math.max(0, Math.min(y, maxY));

  item.subMenu.style.left = x + "px";
  item.subMenu.style.top  = y + "px";
  item.subMenu.style.visibility = "visible";

  if (browser.isIE)
    window.event.cancelBubble = true;
  else
    event.stopPropagation();
}

function closeSubMenu(menu) {
  if (menu == null || menu.activeItem == null)
    return;

  if (menu.activeItem.subMenu != null) {
    closeSubMenu(menu.activeItem.subMenu);
    menu.activeItem.subMenu.style.visibility = "hidden";
    menu.activeItem.subMenu = null;
  }
  removeClassName(menu.activeItem, "menuItemHighlight");
  menu.activeItem = null;
}

function menuInit(menu) {
  var itemList, spanList
  var textEl, arrowEl;
  var itemWidth;
  var w, dw;
  var i, j;

  if (browser.isIE) {
    menu.style.lineHeight = "2.5ex";
    spanList = menu.getElementsByTagName("SPAN");
    for (i = 0; i < spanList.length; i++)
      if (hasClassName(spanList[i], "menuItemArrow")) {
        spanList[i].style.fontFamily = "Webdings";
        spanList[i].firstChild.nodeValue = "4";
      }
  }

  itemList = menu.getElementsByTagName("A");
  if (itemList.length > 0)
    itemWidth = itemList[0].offsetWidth;
  else
    return;

  for (i = 0; i < itemList.length; i++) {
    spanList = itemList[i].getElementsByTagName("SPAN")
    textEl  = null
    arrowEl = null;
    for (j = 0; j < spanList.length; j++) {
      if (hasClassName(spanList[j], "menuItemText"))
        textEl = spanList[j];
      if (hasClassName(spanList[j], "menuItemArrow"))
        arrowEl = spanList[j];
    }
    if (textEl != null && arrowEl != null)
      textEl.style.paddingRight = (itemWidth 
        - (textEl.offsetWidth + arrowEl.offsetWidth)) + "px";
  }

  if (browser.isIE) {
    w = itemList[0].offsetWidth;
    itemList[0].style.width = w + "px";
    dw = itemList[0].offsetWidth - w;
    w -= dw;
    itemList[0].style.width = w + "px";
  }
}

function getContainerWith(node, tagName, className) {
  while (node != null) {
    if (node.tagName != null && node.tagName == tagName &&
        hasClassName(node, className))
      return node;
    node = node.parentNode;
  }

  return node;
}

function hasClassName(el, name) {
  var i, list;
  list = el.className.split(" ");
  for (i = 0; i < list.length; i++)
    if (list[i] == name)
      return true;

  return false;
}

function removeClassName(el, name) {
  var i, curList, newList;
  if (el.className == null)
    return;
  newList = new Array();
  curList = el.className.split(" ");
  for (i = 0; i < curList.length; i++)
    if (curList[i] != name)
      newList.push(curList[i]);
  el.className = newList.join(" ");
}

function getPageOffsetLeft(el) {
  var x;
  x = el.offsetLeft;
  if (el.offsetParent != null)
    x += getPageOffsetLeft(el.offsetParent);

  return x;
}

function getPageOffsetTop(el) {
  var y;
  y = el.offsetTop;
  if (el.offsetParent != null)
    y += getPageOffsetTop(el.offsetParent);

  return y;
}

function validarForm(idForm){         /*  FUNCION PARA VALIDAR EL FORMULARIO */

	var oForm = document.getElementById(idForm);
	var arr = new Array(), sVars="", sObj = "", sValor="", graficarPor = "";

	var k=0;
	for(i=0;i<oForm.length;i++){
		if((oForm[i].type=="text")||(oForm[i].type=="password")||(oForm[i].type=="textarea")){  // abre el if
			var str=oForm[i].value;
			var pat=oForm[i].pattern;

			if(str!=""){
				switch(oForm[i].validate){
					case "regexp":
						if(str.length==0){
							arr[k]="El campo '" + oForm[i].name + "' no puede ser nulo.";
							oForm[i].style.background = "#B3CAF7";
							k=k+1;
							break;
						}
						//------------------------------------------------------------------------------------					
						if(str.indexOf("http")!=-1){
							arr[k]="El campo '" + oForm[i].name + "' no puede tener direcciones web.";
							oForm[i].style.background = "#B3CAF7";
							k=k+1;
							break;
						}
						//------------------------------------------------------------------------------------					
						if(str.indexOf("www")!=-1){
							arr[k]="El campo '" + oForm[i].name + "' no puede tener direcciones web.";
							oForm[i].style.background = "#B3CAF7";
							k=k+1;
							break;
						}
						//------------------------------------------------------------------------------------					
						if(str.length>0){
							y=0;
							for(j=0;j<3;j++){
								if((Number(str.charCodeAt(j))==32)||(Number(str.charCodeAt(j))==160)){
									y+=1;
								}
							}
							if(y==3){
								arr[k]="El campo '" + oForm[i].name + "' no puede ser nulo.";
								oForm[i].style.background = "#B3CAF7";
								k=k+1;
								break;
							}
						}
						//------------------------------------------------------------------------------------					
	//					if(str.length < pat.length){
	//						arr[k]="La longitud del campo '" + oForm[i].name + "' debe ser mayor de " + pat.length + " caracteres.";
	//						oForm[i].style.background = "#B3CAF7";
	//						k=k+1;
	//					}
						break;
					case "date":
						if(str.length==0){
							arr[k]="El campo '" + oForm[i].name + "' no puede ser nulo.";
							k=k+1;
							break;
						}
						if(str.length==10){
							if((str.substr(2,1)!="/")&&(str.substr(5,1)!="/")){
								arr[k]="El formato del campo '" + oForm[i].name + "' es incorrecto, favor de verificarlo.";
								k=k+1;
								break;
							}
						}else{
							arr[k]="El campo '" + oForm[i].name + "' no puede ser menor de 10 caracteres.";
							k=k+1;
							break;
						}
						break;
					case "digitos":
						var isIE = document.all?true:false;
						var isNS = document.layers?true:false;
						
						//function onlyDigits(e,decReq) {
						//var key = (isIE) ? window.event.keyCode : e.which;
						//var obj = (isIE) ? event.srcElement : e.target;
						//var isNum = (key > 47 && key < 58) ? true:false;
						//var dotOK = (key==46 && decReq=='decOK' && (obj.value.indexOf(".")<0 || obj.value.length==0)) ? true:false;
						/*if(key < 32)
						   return true;
						return (isNum || dotOK);
						}
								*/	
						break;
				}	//cierra el switch	
			}else{
				arr[k]="El campo '" + oForm[i].name + "' no puede ser nulo.";
				oForm[i].style.background = "#B3CAF7";
				k=k+1;
				break;	
			}
		}//cierra el if
//		if(oForm[i].id!=""){  // Construir string de campos con sus valores para enviarlos a su pagina destino por medio de AJAX
//			if(oForm[i].type=="checkbox"){
//				if(oForm[i].checked==true){	sObj = oForm[i].id;	sValor = oForm[i].value; }
//			}else{
//				sObj = oForm[i].id;
//				sValor = oForm[i].value; 
//			} 
//			if(sObj!="" && sValor!=""){sVars+= sObj + "=" + sValor + "&";}
//			sObj=""; sValor="";
//		}
	}//cierra el for

	if(arr.length > 0){ // Entra si encuentra un error
		var linea="";
		for(i=0;i<arr.length;i++){
			linea+= arr[i] + "\n";
		}
		alert(linea);
		
		return false;
	}else{ // Se envia los datos del formulario al respectivo ASP
		oForm.submit();
	}
}