function isIE()
{
  return /msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent);
}

var ban = 1;
var bannerMax = 4;
var vidPlaying = 0;

function initImage(imageId) {
  image = document.getElementById(imageId);
  setOpacity(image, 0);
  image.style.visibility = 'visible';
  fadeIn(imageId,0);
}
function setOpacity(obj, opacity) {
  opacity = (opacity == 100)?99.999:opacity;
  // IE/Win
  //alert(opacity);
  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 fadeIn(objId,opacity) {
  if (document.getElementById) {
    obj = document.getElementById(objId);
    if (opacity <= 100) {
      setOpacity(obj, opacity);
      opacity += 10;
      window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 100);
    }
  }
}
function fadeOut(objId,opacity) {
  if (document.getElementById) {
    obj = document.getElementById(objId);
    if (opacity >= 0) {
      setOpacity(obj, opacity);
      opacity -= 10;
      window.setTimeout("fadeOut('"+objId+"',"+opacity+")", 100);
    }
  }
}

function imageChange(){
	document.getElementById('showerImg').src = 'images/bkg_' + bannerSec + '_' + ban + '.jpg';
	ban++;
	if(ban > bannerMax){
		ban=1;
	}
	document.getElementById('fader').style.visibility = 'hidden';
	document.getElementById('fader').style.filter = "alpha(opacity:0)";
	document.getElementById('faderImg').src = 'images/bkg_' + bannerSec + '_' + ban + '.jpg';
	window.setTimeout('initImage(\'fader\')',5);
}

function updateBKG(){
	var ratio = 1600/900;
	var setX=0;
	var setY=0;
	var winHeight=0;
	if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){
		winHeight=document.body.offsetHeight;
		if(document.body.offsetWidth > document.body.offsetHeight){
			setX=document.body.offsetWidth;
			temp = Math.round(setX/ratio);
			setY = temp;
		}else{
			setY=document.body.offsetHeight;
			temp = Math.round(setY*ratio);
			setX=temp;
		}
	}else{
		winHeight=window.innerHeight;
		if(window.innerWidth > window.innerHeight){
			setX=window.innerWidth;
			temp = Math.round(setX/ratio);
			setY = temp;
		}else{
			setY=window.innerHeight;
			temp = Math.round(setY*ratio);
			setX=temp;
		}
	}
	if((setY < winHeight) || (setX<1600 && setY<930)){
		if(930 <= winHeight){
			setY = winHeight;
			setX = Math.round(setY*ratio);
		}else{
			setY = 930;
			setX = 1661;
		}
	}
	//fader size...
	document.getElementById('faderImg').width = setX;
	document.getElementById('faderImg').height = setY;
	//shower size...
	document.getElementById('showerImg').width = setX;
	document.getElementById('showerImg').height = setY;
}

function cssClassChange(cl,theid) {
	var e = document.getElementById(theid);
    e.setAttribute("className",cl);//for IE       
    e.setAttribute("class",cl);
}
function confirmSubmit(){
	var agree=confirm("Are you sure you want to delete this?");
	if (agree){
		return true ;
	}else{
		return false ;
	}
}
//specific form field clearing functions...
function clearField(theField,theText){
	if(theField.value == theText){
		theField.value = "";
	}
}
function showDrop(objID){
	document.getElementById(objID+'CON').style.display = "block";
	obj = document.getElementById(objID);
	if (obj.currentStyle)
		var y = obj.currentStyle['top'];
	else if (window.getComputedStyle)
		var y = document.defaultView.getComputedStyle(obj,null).getPropertyValue('top');

	y = Number(y.substr(0,y.length-2));

	if(y <= -169){
		window.setTimeout("slideDown('"+objID+"')", 1);
	}else if(y >= -1){
		window.setTimeout("slideUp('"+objID+"')", 1);
	}
}
function slideDown(objID){
	obj = document.getElementById(objID);
	if (obj.currentStyle)
		var y = obj.currentStyle['top'];
	else if (window.getComputedStyle)
		var y = document.defaultView.getComputedStyle(obj,null).getPropertyValue('top');

	y = Number(y.substr(0,y.length-2));
	if(y < 0){
		y += 10;
		obj.style.top = "" + Number(y) + "px";
		window.setTimeout("slideDown('"+objID+"')", 1);
	}
}
function slideUp(objID){
	obj = document.getElementById(objID);
	if (obj.currentStyle)
		var y = obj.currentStyle['top'];
	else if (window.getComputedStyle)
		var y = document.defaultView.getComputedStyle(obj,null).getPropertyValue('top');

	y = Number(y.substr(0,y.length-2));
	if(y > -170){
		y -= 10;
		obj.style.top = "" + Number(y) + "px";
		window.setTimeout("slideUp('"+objID+"')", 1);
	}else{
		document.getElementById(objID+'CON').style.display = "none";
	}
}
function showClip(){
	document.getElementById('thumb').style.display = "none";
	document.getElementById('clip').style.display = "block";
}