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];}
}
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_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];}}
}

var form = "";
var submitted = false;
var error = false;
var error_message = "";

function check_input(field_name, field_size, message) {
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var field_value = form.elements[field_name].value;

    if (field_value == '' || field_value.length < field_size) {
      error_message = error_message + "\n* " + message;
      error = true;
    }
  }
}

function check_radio(field_name, message) {
  var isChecked = false;

  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var radio = form.elements[field_name];

    for (var i=0; i<radio.length; i++) {
      if (radio[i].checked == true) {
        isChecked = true;
        break;
      }
    }

    if (isChecked == false) {
      error_message = error_message + "\n* " + message;
      error = true;
    }
  }
}

function check_checkbox(field_name, message) {
  var isChecked = false;

  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var box = form.elements[field_name];

    if (box.checked == false) {
      error_message = error_message + "\n* " + message;
      error = true;
    }
  }
}

function check_select(field_name, field_default, message) {
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var field_value = form.elements[field_name].value;

    if (field_value == field_default) {
      error_message = error_message + "\n* " + message;
      error = true;
    }
  }
}

function check_password(field_name_1, field_name_2, field_size, message_1, message_2) {
  if (form.elements[field_name_1] && (form.elements[field_name_1].type != "hidden")) {
    var password = form.elements[field_name_1].value;
    var confirmation = form.elements[field_name_2].value;

    if (password == '' || password.length < field_size) {
      error_message = error_message + "\n* " + message_1;
      error = true;
    } else if (password != confirmation) {
      error_message = error_message + "\n* " + message_2;
      error = true;
    }
  }
}

function check_password_new(field_name_1, field_name_2, field_name_3, field_size, message_1, message_2, message_3) {
  if (form.elements[field_name_1] && (form.elements[field_name_1].type != "hidden")) {
    var password_current = form.elements[field_name_1].value;
    var password_new = form.elements[field_name_2].value;
    var password_confirmation = form.elements[field_name_3].value;

    if (password_current == '' || password_current.length < field_size) {
      error_message = error_message + "\n* " + message_1;
      error = true;
    } else if (password_new == '' || password_new.length < field_size) {
      error_message = error_message + "\n* " + message_2;
      error = true;
    } else if (password_new != password_confirmation) {
      error_message = error_message + "\n* " + message_3;
      error = true;
    }
  }
}


function submitbutton(pressbutton) {
  	document.getElementById('myMainDiv').style.visibility = 'hidden'; 
	document.getElementById('loading').style.visibility = 'visible';
	submitform(pressbutton);
}

function submitform(pressbutton){
	document.adminForm.op.value=pressbutton;
	try {
		document.adminForm.onsubmit();
		}
	catch(e){}
	document.adminForm.submit();
}

function nuevoAjax() {
      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;
}

function loadImages(exeUrl,contenedor) {
        contenedor = document.getElementById(contenedor);
        ajax=nuevoAjax();
        ajax.open("GET", exeUrl,true);
        ajax.onreadystatechange=function() {
            if (ajax.readyState==4) {
                contenedor.innerHTML = ajax.responseText
            }
        }
    ajax.send(null)
}


function formatCurrency(num) {
num = num.toString().replace(/\.|\,/g,'');
	 if(num.length == 1) {
	 	return ('0.0' + num); 
	} else if(num.length == 2) {
	 	return ('0.' + num); 
  	} else if(num.length == 3) {
  	 	var hour = num.substring(0, 1);
	 	var min = num.substring(1, 4);
			return (hour + '.' + min);
	} else if(num.length == 4) {
  	 	var hour = num.substring(0, 2);
	 	var min = num.substring(2, 4);
			return (hour + '.' + min);
	}
}

function restItem(id) {
        var content = document.getElementById('cartDiv');
        ajax=nuevoAjax();
        ajax.open("GET", "cart.php?op=restItem&id="+ id,true);
        ajax.onreadystatechange=function() {
            if (ajax.readyState==4) {
                content.innerHTML = ajax.responseText
            }
        }
    ajax.send(null)
}

function toCart(id) {
        var content = document.getElementById('cartDiv');
        ajax=nuevoAjax();
        ajax.open("GET", "cart.php?op=addItem&id="+ id,true);
        ajax.onreadystatechange=function() {
            if (ajax.readyState==4) {
                content.innerHTML = ajax.responseText
            }
        }
    ajax.send(null)
}

function changeQty(qty, id) {

 		var cb = document.getElementById('priceTotal' + id);
        var content = document.getElementById('totalDiv');
        ajax=nuevoAjax();
        ajax.open("GET", "cart.php?op=changeQty&id="+ id +"&qty="+ qty,true);
        ajax.onreadystatechange=function() {
            if (ajax.readyState==4) {
	            response = ajax.responseText
         		responseComponents = response.split("|")
         		cb.innerHTML = responseComponents[0]
         		content.innerHTML = responseComponents[1]
            }
        }
    ajax.send(null)
}