var gblPauseSeconds = 1.00;
var gblFadeSeconds = 2.45;
var gblRotations = 100;
var gblOpacity = 100;

var gblPhotoShufflerDivId = "photodiv";
var gblPhotoShufflerImgId = "photoimg";
var gblImg = new Array(
"img/home/mil2.jpg",
"img/home/mil3.jpg",
"img/home/mil4.jpg",
"img/home/mil5.jpg"
);
var gblOnDeck = 0;
var gblDeckSize = gblImg.length;
var gblStartImg;
var gblImageRotations = gblDeckSize * (gblRotations+1);

var gblPhotoShufflerDivId2 = "photodiv2";
var gblPhotoShufflerImgId2 = "photoimg2";
var gblImg2 = new Array(
"img/home/civ1.jpg",
"img/home/civ2.jpg",
"img/home/civ3.jpg",
"img/home/civ4.jpg"
);
var gblOnDeck2 = 0;
var gblDeckSize2 = gblImg2.length;
var gblStartImg2;
var gblImageRotations2 = gblDeckSize2 * (gblRotations+1);

var gblPhotoShufflerDivId3 = "photodiv3";
var gblPhotoShufflerImgId3 = "photoimg3";
var gblImg3 = new Array(
"img/home/my1.jpg",
"img/home/my2.jpg",
"img/home/my3.jpg",
"img/home/my4.jpg"
);
var gblOnDeck3 = 0;
var gblDeckSize3 = gblImg3.length;
var gblStartImg3;
var gblImageRotations3 = gblDeckSize3 * (gblRotations+1);


function photoShufflerLaunch()
{
    var theimg = document.getElementById(gblPhotoShufflerImgId);
    theimg.src=gblImg[gblOnDeck];
    gblStartImg = theimg.src; // save away to show as final image
    document.getElementById(gblPhotoShufflerDivId).style.backgroundImage='url(' + gblImg[gblOnDeck] + ')';
    document.getElementById(gblPhotoShufflerDivId).style.backgroundRepeat='no-repeat';

    var theimg2 = document.getElementById(gblPhotoShufflerImgId2);
    theimg2.src=gblImg2[gblOnDeck2];
    gblStartImg2 = theimg2.src; // save away to show as final image
    document.getElementById(gblPhotoShufflerDivId2).style.backgroundImage='url(' + gblImg2[gblOnDeck2] + ')';
    document.getElementById(gblPhotoShufflerDivId2).style.backgroundRepeat='no-repeat';

    var theimg3 = document.getElementById(gblPhotoShufflerImgId3);
    theimg3.src=gblImg3[gblOnDeck3];
    gblStartImg3 = theimg3.src; // save away to show as final image
    document.getElementById(gblPhotoShufflerDivId3).style.backgroundImage='url(' + gblImg3[gblOnDeck3] + ')';
    document.getElementById(gblPhotoShufflerDivId3).style.backgroundRepeat='no-repeat';

    setTimeout("photoShufflerFade()",gblPauseSeconds*1000);
}

function photoShufflerFade()
{
    var theimg = document.getElementById(gblPhotoShufflerImgId);
    var theimg2 = document.getElementById(gblPhotoShufflerImgId2);
    var theimg3 = document.getElementById(gblPhotoShufflerImgId3); 

    // determine delta based on number of fade seconds
    // the slower the fade the more increments needed
    var fadeDelta = 100 / (30 * gblFadeSeconds);
    // fade top out to reveal bottom image
    if (gblOpacity < 2*fadeDelta )
        {
        gblOpacity = 100;
        // stop the rotation if we're done
        if (gblImageRotations < 1) return;
        photoShufflerShuffle();
        // pause before next fade
        setTimeout("photoShufflerFade()",gblPauseSeconds*1000);
        }
    else
        {
        gblOpacity -= fadeDelta;
        setOpacity(theimg,gblOpacity);
        setOpacity(theimg2,gblOpacity);
        setOpacity(theimg3,gblOpacity); 
        setTimeout("photoShufflerFade()",30); // 1/30th of a second
        }
}

function photoShufflerShuffle()
{
    var thediv = document.getElementById(gblPhotoShufflerDivId);
    var theimg = document.getElementById(gblPhotoShufflerImgId); 

    var thediv2 = document.getElementById(gblPhotoShufflerDivId2);
    var theimg2 = document.getElementById(gblPhotoShufflerImgId2);

    var thediv3 = document.getElementById(gblPhotoShufflerDivId3);
    var theimg3 = document.getElementById(gblPhotoShufflerImgId3);

    // copy div background-image to img.src
    theimg.src = gblImg[gblOnDeck];
    theimg2.src = gblImg2[gblOnDeck2];
    theimg3.src = gblImg3[gblOnDeck3]; 

    // set img opacity to 100
    setOpacity(theimg,100);
    setOpacity(theimg2,100);
    setOpacity(theimg3,100);
     
    // shuffle the deck
    gblOnDeck = ++gblOnDeck % gblDeckSize;
    gblOnDeck2 = ++gblOnDeck2 % gblDeckSize2;
    gblOnDeck3 = ++gblOnDeck3 % gblDeckSize3; 

    // decrement rotation counter
    if (--gblImageRotations < 1)
    {
        // insert start/final image if we're done
        gblImg[gblOnDeck] = gblStartImg;
        gblImg2[gblOnDeck2] = gblStartImg2;
        gblImg3[gblOnDeck3] = gblStartImg3;
    }
    // slide next image underneath
    thediv.style.backgroundImage='url(' + gblImg[gblOnDeck] + ')';
    thediv2.style.backgroundImage='url(' + gblImg2[gblOnDeck2] + ')';
    thediv3.style.backgroundImage='url(' + gblImg3[gblOnDeck3] + ')';
}

function setOpacity(obj, opacity) {
    opacity = (opacity == 100)?99.999:opacity;
    // IE/Win
    obj.style.filter = "alpha(opacity:"+opacity+")";
    // Safari<1.2, Konqueror
    obj.style.KHTMLOpacity = opacity/100;
    // Older Mozilla and Firefox
    obj.style.MozOpacity = opacity/100;
    // Safari 1.2, newer Firefox and Mozilla, CSS3
    obj.style.opacity = opacity/100;
}

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 submitParentForm(obj){
//alert(obj.tagName + ' -- ' + obj.name)
if (obj.tagName=='FORM'){  
  eval('document.forms["'+obj.name+'"].submit()'); 
  }
else{ 
  submitParentForm(obj.parentNode);
} 
}

function makevisible(cur,which)
  {
  if(document.getElementById)
    {
    if (which==0)
      {
      if(document.all)
        cur.filters.alpha.opacity=100
      else
        cur.style.setProperty("-moz-opacity", 1, "");
      }
    else
      {
      if(document.all)
        cur.filters.alpha.opacity=60
      else
        cur.style.setProperty("-moz-opacity", .6, "");
      }
    }
  }