/*
  $Id: general.js,v 1.3 2003/02/10 22:30:55 hpdl Exp $

  osCommerce, Open Source E-Commerce Solutions
  http://www.oscommerce.com

  Copyright (c) 2003 osCommerce

  Released under the GNU General Public License
*/

function SetFocus(TargetFormName) {
  var target = 0;
  if (TargetFormName != "") {
    for (i=0; i<document.forms.length; i++) {
      if (document.forms[i].name == TargetFormName) {
        target = i;
        break;
      }
    }
  }

  var TargetForm = document.forms[target];

  for (i=0; i<TargetForm.length; i++) {
    if ( (TargetForm.elements[i].type != "image") && (TargetForm.elements[i].type != "hidden") && (TargetForm.elements[i].type != "reset") && (TargetForm.elements[i].type != "submit") ) {
      TargetForm.elements[i].focus();

      if ( (TargetForm.elements[i].type == "text") || (TargetForm.elements[i].type == "password") ) {
        TargetForm.elements[i].select();
      }

      break;
    }
  }
}

function RemoveFormatString(TargetElement, FormatString) {
  if (TargetElement.value == FormatString) {
    TargetElement.value = "";
  }

  TargetElement.select();
}

function CheckDateRange(from, to) {
  if (Date.parse(from.value) <= Date.parse(to.value)) {
    return true;
  } else {
    return false;
  }
}

function IsValidDate(DateToCheck, FormatString) {
  var strDateToCheck;
  var strDateToCheckArray;
  var strFormatArray;
  var strFormatString;
  var strDay;
  var strMonth;
  var strYear;
  var intday;
  var intMonth;
  var intYear;
  var intDateSeparatorIdx = -1;
  var intFormatSeparatorIdx = -1;
  var strSeparatorArray = new Array("-"," ","/",".");
  var strMonthArray = new Array("jan","feb","mar","apr","may","jun","jul","aug","sep","oct","nov","dec");
  var intDaysArray = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);

  strDateToCheck = DateToCheck.toLowerCase();
  strFormatString = FormatString.toLowerCase();

  if (strDateToCheck.length != strFormatString.length) {
    return false;
  }

  for (i=0; i<strSeparatorArray.length; i++) {
    if (strFormatString.indexOf(strSeparatorArray[i]) != -1) {
      intFormatSeparatorIdx = i;
      break;
    }
  }

  for (i=0; i<strSeparatorArray.length; i++) {
    if (strDateToCheck.indexOf(strSeparatorArray[i]) != -1) {
      intDateSeparatorIdx = i;
      break;
    }
  }

  if (intDateSeparatorIdx != intFormatSeparatorIdx) {
    return false;
  }

  if (intDateSeparatorIdx != -1) {
    strFormatArray = strFormatString.split(strSeparatorArray[intFormatSeparatorIdx]);
    if (strFormatArray.length != 3) {
      return false;
    }

    strDateToCheckArray = strDateToCheck.split(strSeparatorArray[intDateSeparatorIdx]);
    if (strDateToCheckArray.length != 3) {
      return false;
    }

    for (i=0; i<strFormatArray.length; i++) {
      if (strFormatArray[i] == 'mm' || strFormatArray[i] == 'mmm') {
        strMonth = strDateToCheckArray[i];
      }

      if (strFormatArray[i] == 'dd') {
        strDay = strDateToCheckArray[i];
      }

      if (strFormatArray[i] == 'yyyy') {
        strYear = strDateToCheckArray[i];
      }
    }
  } else {
    if (FormatString.length > 7) {
      if (strFormatString.indexOf('mmm') == -1) {
        strMonth = strDateToCheck.substring(strFormatString.indexOf('mm'), 2);
      } else {
        strMonth = strDateToCheck.substring(strFormatString.indexOf('mmm'), 3);
      }

      strDay = strDateToCheck.substring(strFormatString.indexOf('dd'), 2);
      strYear = strDateToCheck.substring(strFormatString.indexOf('yyyy'), 2);
    } else {
      return false;
    }
  }

  if (strYear.length != 4) {
    return false;
  }

  intday = parseInt(strDay, 10);
  if (isNaN(intday)) {
    return false;
  }
  if (intday < 1) {
    return false;
  }

  intMonth = parseInt(strMonth, 10);
  if (isNaN(intMonth)) {
    for (i=0; i<strMonthArray.length; i++) {
      if (strMonth == strMonthArray[i]) {
        intMonth = i+1;
        break;
      }
    }
    if (isNaN(intMonth)) {
      return false;
    }
  }
  if (intMonth > 12 || intMonth < 1) {
    return false;
  }

  intYear = parseInt(strYear, 10);
  if (isNaN(intYear)) {
    return false;
  }
  if (IsLeapYear(intYear) == true) {
    intDaysArray[1] = 29;
  }

  if (intday > intDaysArray[intMonth - 1]) {
    return false;
  }

  return true;
}

function IsLeapYear(intYear) {
  if (intYear % 100 == 0) {
    if (intYear % 400 == 0) {
      return true;
    }
  } else {
    if ((intYear % 4) == 0) {
      return true;
    }
  }

  return false;
}

function findPosX(obj)
{
    var curleft = 0;
    if(obj.offsetParent)
        while(1)
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
  }

  function findPosY(obj)
  {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
  }

var prev_image = '';
var prev_element = '';

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_swapImgRestore() { //v3.0
  document.getElementById(prev_element).src = prev_image;
//  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) { //v3.0
  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); return x;
}
function MM_swapImage() { //v3.0
  prev_image = document.getElementById(MM_swapImage.arguments[0]).src;
  prev_element = MM_swapImage.arguments[0];
  document.getElementById(MM_swapImage.arguments[0]).src = MM_swapImage.arguments[2];

  /*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];}
  */
}

if (document.layers) { // Netscape
document.captureEvents(Event.MOUSEMOVE);
document.onmousemove = captureMousePosition;
} else if (document.all) { // Internet Explorer
document.onmousemove = captureMousePosition;
} else if (document.getElementById) { // Netcsape 6
document.onmousemove = captureMousePosition;
}

// Global variables
xMousePos = 0; // Horizontal position of the mouse on the screen
yMousePos = 0; // Vertical position of the mouse on the screen
xMousePosMax = 0; // Width of the page
yMousePosMax = 0; // Height of the page

function captureMousePosition(e) {

if (document.layers) { //Netscape
xMousePos = e.pageX;
yMousePos = e.pageY;
xMousePosMax = window.innerWidth+window.pageXOffset;
yMousePosMax = window.innerHeight+window.pageYOffset;
} else if (document.all) { //IE
xMousePos = window.event.x+document.documentElement.scrollLeft;
yMousePos = window.event.y+document.documentElement.scrollTop;
xMousePosMax = document.body.clientWidth+document.documentElement.scrollLeft ;
yMousePosMax = document.body.clientHeight+document.documentElement.scrollTop ;
} else if (document.getElementById) {

// Netscape 6 behaves the same as Netscape 4 in this regard
xMousePos = e.pageX;
yMousePos = e.pageY;
xMousePosMax = window.innerWidth+window.pageXOffset;
yMousePosMax = window.innerHeight+window.pageYOffset;
}


//window.status = "xMousePos=" + xMousePos + ", yMousePos=" + yMousePos + ", xMousePosMax=" + xMousePosMax + ", yMousePosMax=" + yMousePosMax;
}

var current_product;
var start = 0;
var over = 0;

function productOver(id){
    if(!over){
        current_product = id;
	    document.getElementById('JT'+id).style.top=yMousePos-5+'px';
        document.getElementById('JT'+id).style.left=xMousePos+20+'px';
	    _gotimer();
        over = 1;
    }
    return true;
}

function productOut(id){
    if(over){
	    over = 0;
	    start = 0;
	    document.getElementById('JT'+id).style.display='none';
    }
    return true;
}

function _timer() {
	clocktimer = setTimeout("_timer()", 1);
    if(start){
	    document.getElementById('JT'+current_product).style.top=yMousePos-5+'px';
        if((xMousePos+20+300)>($('parent_table').offsetWidth-20)) document.getElementById('JT'+current_product).style.left=xMousePos-320+'px';
        else document.getElementById('JT'+current_product).style.left=xMousePos+20+'px';
    }
}

_timer();


function _timer2() {
	clocktimer = setTimeout("_timer2()", 1000);
    if(over){
	    document.getElementById('JT'+current_product).style.display='block';
    }
}

_timer2();

function _gotimer(){
    start = 1;
}

function productOver2(id,img){
    if(!over){
	    img1 = img;
	    current_product = id;
	    document.getElementById('JT'+id).style.top=yMousePos-5+'px';
        if((xMousePos+20+300)>($('parent_table').offsetWidth-20)) document.getElementById('JT'+id).style.left=xMousePos-320+'px';
        else document.getElementById('JT'+id).style.left=xMousePos+20+'px';
	    _gotimer();
        MM_swapImage('img'+id,'',img1,1);
        over = 1;
    }
    return true;
}

function productOut2(id){
	if(over){
	    start = 0;
	    document.getElementById('JT'+id).style.display='none';
	    MM_swapImgRestore();
    	over = 0;
    }
    return true;
}

function showMessage(mess){
    $('message_text').update(mess);
    if(/Gecko/.test(navigator.userAgent)) $('alert_div').style.left = ($('parent_table').offsetWidth/2-175)+'px';
    else{
    	$('alert_div').style.left = ($('parent_table').offsetWidth/2)+'px';
    }
    tt = document.documentElement.scrollTop + screen.height/2 - 150;
    $('alert_div').style.top = tt+'px';
    Effect.Appear('alert_div',{duration:0.3});
}

function showMail(){
    if(/Gecko/.test(navigator.userAgent)) $('mail_div').style.left = ($('parent_table').offsetWidth/2-175)+'px';
    else{
    	$('mail_div').style.left = ($('parent_table').offsetWidth/2)+'px';
    }
    tt = document.documentElement.scrollTop + screen.height/2 - 250;
    $('mail_div').style.top = tt+'px';
    Effect.Appear('mail_div',{duration:0.3});
}