// javascript para enviar una solicitud al servidor luego de validar la seleccion unica
function submitSelection(button, action, confirmMessage, mensajeVacio, mensajeError) {

        var form = button.form;
        var selectedItems = document.getElementsByName("selectedItems");
        var isSelected = false;
        var id = null;
		var count = 0;
        if(selectedItems.length > 0) {
            for(i = 0; i < selectedItems.length; i++) {
                if(selectedItems[i].type == "checkbox" && selectedItems[i].checked ) {
                    isSelected = true;
                    id = selectedItems[i].value;
                    count++;
                }
            }

            if(count > 1){
               alert(mensajeError);
            	return;        		
            }
            
            if(isSelected == false) {
                alert(mensajeVacio);
                return;
            }            
            else {
                var href = action + '&id=' + id;
                if(confirmMessage != null) {
                    if(confirm(confirmMessage)) {
                        location.href = href;
                    }
                }
                else {
                    location.href = href;
                }
            }
        }
    }
// javascript para emular un radiobutton utilizando un checkbox
function radio(clicked){
    var form = clicked.form;
    var className = clicked.parentNode.parentNode.className    
    var index = className.indexOf('_over');
    var checkboxes = form.elements[clicked.name];
    if (!clicked.checked || !checkboxes.length) {
        if(index != -1) {
            clicked.parentNode.parentNode.className = className.substring(0, index);
        }
        return false;
    }

    for (i=0; i<checkboxes.length; i++) {
        if (checkboxes[i] != clicked) {
            checkboxes[i].checked=false;
            var checkClassName = checkboxes[i].parentNode.parentNode.className;
            var checkIndex = checkClassName.indexOf('_over');
            if(checkIndex != -1) {
                checkboxes[i].parentNode.parentNode.className = checkClassName.substring(0, checkIndex);
            }
        }
    }

    // highlight the row    
    clicked.parentNode.parentNode.className+='_over';
}

//Valida longitud de caracteres en TextArea
function valida_longitud(maxCarac, textArea){
   num_caracteres = textArea.value.length;
   if (num_caracteres > maxCarac){
      textArea.value = textArea.value.substring(0,maxCarac);
   }
}

function checkAll(theForm) { // check all the checkboxes in the list
  for (var i=0;i<theForm.elements.length;i++) {
    var e = theForm.elements[i];
		var eName = e.name;
    	if (eName != 'allbox' && (e.type.indexOf("checkbox") == 0)) {
        	e.checked = theForm.allbox.checked;		
		}
	} 
}

function isBlank(val){
	if(val==null){return true;}
	for(var i=0;i<val.length;i++) {
		if ((val.charAt(i)!=' ')&&(val.charAt(i)!="\t")&&(val.charAt(i)!="\n")&&(val.charAt(i)!="\r")){return false;}
		}
	return true;
}

function mostrarContenido(val){
    var location = val.options[val.selectedIndex].value;
    if(!isBlank(location)){
        document.location.href = location;
    }
}

function cargarDiasMes(ddlAnyoId, ddlMesId, ddlDiaId){
    var objAnyo = document.getElementById(ddlAnyoId);
    var objMes = document.getElementById(ddlMesId);
    var objDia = document.getElementById(ddlDiaId);
    
    if(!isBlank(objAnyo.options[objAnyo.selectedIndex].value) && !isBlank(objMes.options[objMes.selectedIndex].value)){
        var anyo = objAnyo.options[objAnyo.selectedIndex].value;
        var mes = objMes.options[objMes.selectedIndex].value;
        mes = mes -1;
        var dias = daysInMonth(mes, anyo);
        
		objDia.options.length = 0;
		var x = 0;
		objDia.options[x] = new Option("", "");
		for(i=1; i<=dias; i++){
            objDia.options[i] = new Option(i, i);
		}
    }
}

function daysInMonth(iMonth, iYear)
{
	return 32 - new Date(iYear, iMonth, 32).getDate();
}

function cambiaimg(imgid, imgnew, titnew, desnew, imgActual, nroImages)
{
	if(navigator.appVersion.substring(0,1)>=3){
	    document.images[imgid].src=eval(imgnew+".src");
	    
	    //cambiamos el borde de todos a cero y sin color	    
	    /*for(i=1; i<=nroImages; i++){
	        imgx = document.getElementById('imgTumb'+i);
	        if(imgx != null){
	            imgx.style.border = '0px'; 
	        }
	    }*/
        //Cambiamos el actual a 2 y con color azul
        //imgActual.style.borderColor = '#0066cc';
	}

    var objTitulo = document.getElementById('tituloCambiar');
    var objDescripcion = document.getElementById('descripcionCambiar');    		
    
    if(objTitulo != null)
        objTitulo.innerHTML = eval(titnew);

    if(objDescripcion != null)
        objDescripcion.innerHTML = eval(desnew);
        
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}