function isDefined( variable)
{
    return (typeof(eval(object)[variable]) == "undefined")? false: true;
}


function validCaptcha()
{
	var v1 = document.getElementById('__vCheck');
	var v2 = document.getElementById('__vText');
	
	
	if (typeof(v1) != 'undefined' && typeof(v2) != 'undefined')
	{
		if (v1.value == v2.value)
		{
			return(true);
		}
		else 
		{
			alert('Please enter a valid code.');
			document.getElementById('__vText').focus();
			return(false);
		}
	}
	else
	{
		return(true);
	}
}


function popUpWindow(url,t1,att) 
{
	/* popupWindow = window.open(url,title,attributes)
'http://www.greatclips.com/balancef.html', 'Gift Card','height=320,width=500,left=100,top=100,resizable=no,scrollbars=no,toolbar=no,menubar=no,location=no,directories=no,status=yes' 	
	'toolbar,width=150,height=100'
	*/
myWindow = window.open(url, '', att); 

}


	var slideTimeBetweenSteps = 30;	// General speed variable (Lower = slower)
	
	
	var scrollingContainer = false;
	var scrollingContent = false;
	var containerHeight;
	var contentHeight;	
	
	var contentObjects = new Array();
	var originalslideSpeed = false;
	function slideContent(containerId)
	{
		var topPos = contentObjects[containerId]['objRef'].style.top.replace(/[^\-0-9]/g,'');
		topPos = topPos - contentObjects[containerId]['slideSpeed'];
		if(topPos/1 + contentObjects[containerId]['contentHeight']/1<0)topPos = contentObjects[containerId]['containerHeight'];
		contentObjects[containerId]['objRef'].style.top = topPos + 'px';
		setTimeout('slideContent("' + containerId + '")',slideTimeBetweenSteps);
		
	}
	
	function stopSliding()
	{
		var containerId = this.id;
		contentObjects[containerId]['slideSpeed'] = 0;	
	}
	
	function restartSliding()
	{
		var containerId = this.id;
		contentObjects[containerId]['slideSpeed'] = contentObjects[containerId]['originalSpeed'];
		
	}
	function initSlidingContent(containerId,slideSpeed)
	{
		scrollingContainer = document.getElementById(containerId);
		scrollingContent = scrollingContainer.getElementsByTagName('DIV')[0];
		
		scrollingContainer.style.position = 'relative';
		scrollingContainer.style.overflow = 'hidden';
		scrollingContent.style.position = 'relative';
		
		scrollingContainer.onmouseover = stopSliding;
		scrollingContainer.onmouseout = restartSliding;
		
		originalslideSpeed = slideSpeed;
		
		scrollingContent.style.top = '0px';
		
		contentObjects[containerId] = new Array();
		contentObjects[containerId]['objRef'] = scrollingContent;
		contentObjects[containerId]['contentHeight'] = scrollingContent.offsetHeight;
		contentObjects[containerId]['containerHeight'] = scrollingContainer.clientHeight;
		contentObjects[containerId]['slideSpeed'] = slideSpeed;
		contentObjects[containerId]['originalSpeed'] = slideSpeed;
		
		slideContent(containerId);
		
	}
	

function calcHeight()
{
  //find the height of the internal page
  
  var the_height=
    document.getElementById('the_iframe').contentWindow.
      document.body.scrollHeight;

  //change the height of the iframe
  document.getElementById('the_iframe').height=
      the_height;
}