function swapImage(imageId,imageURL)
{
	ge(imageId).src=imageURL;
}
function submitPoll(pollForm,fieldName,emptyMessage)
{
	if(getCheckedValue(document.forms[pollForm].elements[fieldName])>0)
	{
		ge(pollForm).submit();	
	}
	else
	{
		alert(emptyMessage)
	}
}

function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}


function checkSearch(message) {
	
	var currentValue=ge('SEARCH_KEYWORDS').value;
	
	if (currentValue.length==0)
	{
		currentValue=ge('BIG_SEARCH_KEYWORDS').value;
	}
	
	if (currentValue.length==0)
	{
		alert(message);
		return false;
	}
	else
	{
		ge('myForm').submit();
		return true;
	}
}

function validateEmail(email)
{
    if(email.length <= 0)
	{
	  return false;
	}
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return false;
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return false;
    }
    if(splitted[2] != null)
    {
      var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null) 
      {
	    var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
	    if(splitted[2].match(regexp_ip) == null) return false;
      }// if
      return true;
    }
	return false;
}

function ge(id){
	
	return document.getElementById(id);
}

function displayImage(imagePath,title,description)
	{
		var enlargerObj = new DHTMLSuite.imageEnlarger();
		enlargerObj.setIsDragable(true);
		enlargerObj.setIsModal(false);		
		DHTMLSuite.commonObj.setCssCacheStatus(false);
		enlargerObj.displayImage(imagePath,title,description);
		return false;
	}
	
function SetOpacity(object,opacityPct)
{
  // IE.
  object.style.filter = 'alpha(opacity=' + opacityPct + ')';
  // Old mozilla and firefox
  object.style.MozOpacity = opacityPct/100;
  // Everything else.
  object.style.opacity = opacityPct/100;
}
function ChangeOpacity(id,msDuration,msStart,fromO,toO)
{
  var element=document.getElementById(id);
  var opacity = element.style.opacity * 100;
  var msNow = (new Date()).getTime();
  opacity = fromO + (toO - fromO) * (msNow - msStart) / msDuration;
  if (opacity<0) 
    SetOpacity(element,0)
  else if (opacity>100)
    SetOpacity(element,100)
  else
  {
    SetOpacity(element,opacity);
    element.timer = window.setTimeout("ChangeOpacity('" + id + "'," + msDuration + "," + msStart + "," + fromO + "," + toO + ")",1);
  }
}

function FadeInImage(foregroundID,newImage,backgroundID)
{
  var foreground=document.getElementById(foregroundID);
  if (backgroundID)
  {
    var background=document.getElementById(backgroundID);
    if (background)
    {
      background.style.backgroundImage = 'url(' + foreground.src + ')';
      background.style.backgroundRepeat = 'no-repeat';
    }
  }
  SetOpacity(foreground,0);
  foreground.src = newImage;
  if (foreground.timer) window.clearTimeout(foreground.timer); 
  var startMS = (new Date()).getTime();
  foreground.timer = window.setTimeout("ChangeOpacity('" + foregroundID + "',1000," + startMS + ",0,100)",10);
}
var i=0;
function imageList(i)
{
	i++;
	
	switch(i)
	{
		case 1:
		FadeInImage('emilyforegroundimg','images/swap/img1.jpg','emilybackgrounddiv');
		break;
		
		case 2:
		FadeInImage('emilyforegroundimg','images/swap/img2.jpg','emilybackgrounddiv');
		break;
		
		case 3:
		FadeInImage('emilyforegroundimg','images/swap/img3.jpg','emilybackgrounddiv');
		break;
		
		case 4:
		FadeInImage('emilyforegroundimg','images/swap/img4.jpg','emilybackgrounddiv');
		break;
		
		case 5:
		FadeInImage('emilyforegroundimg','images/swap/img5.jpg','emilybackgrounddiv');
		break;
		
		case 6:
		FadeInImage('emilyforegroundimg','images/swap/img6.jpg','emilybackgrounddiv');
		break;
		
		case 7:
		FadeInImage('emilyforegroundimg','images/swap/img7.jpg','emilybackgrounddiv');
		break;
		
		case 8:
		FadeInImage('emilyforegroundimg','images/swap/img8.jpg','emilybackgrounddiv');
		break;
		
		default:
		i=0;
		break;
	
	}
	setTimeout ( "imageList('"+i+"')", 5000 );

}