function ShowAd(url, iWidth, iHeght)
{
   var newImg = new Image();
   newImg.src = url;
   var height = newImg.height;
   var width = newImg.width;
   
	var divA = document.getElementById('divAd');
	divA.style.width = width;
	divA.style.height = height;
	divA.innerHTML = "<a href='javascript:CloseAd()'><img border=0 id='imgAd' src='" + url + "' /></a><br><br><a href='javascript:CloseAd()' class='blue1'>Close</a>"
	document.getElementById('divLoading').style.display = "block";
	ShowContentCenter('divAd');
	
	//This is used in the Results Page
	if(document.getElementById('alphafilter'))
		document.getElementById('alphafilter').style.display = "none";
		
	//This is used in the Results Page for Categories
	if(document.getElementById('divGoogleAd'))
		document.getElementById('divGoogleAd').style.display = "none";
		
}

function CloseAd()
{
	var divA = document.getElementById('divAd');
	divA.style.display = 'none';
	document.getElementById('divLoading').style.display = "none";
	
	//This is used in the Results Page
	if(document.getElementById('alphafilter'))
		document.getElementById('alphafilter').style.display = "block";
		
	//This is used in the Results Page for Categories
	if(document.getElementById('divGoogleAd'))
		document.getElementById('divGoogleAd').style.display = "block";
}

function ShowContentCenter(divName)
{
	var Element = document.getElementById(divName);

	objh = parseFloat(Element.style.height)/2;
	objw = parseFloat(Element.style.width)/2;

	if(navigator.appName=='Netscape')
		Element.style.top = Math.floor(Math.round(window.innerHeight/2-objh)+document.body.scrollTop)+'px';
	else
		Element.style.top = Math.floor(Math.round((document.documentElement.offsetHeight/2)+document.body.scrollTop)-objh)+'px';
		
	Element.style.left = Math.floor(Math.round((document.documentElement.offsetWidth/2)+document.body.scrollLeft)-objw)+'px';

	document.getElementById('divLoading').style.display = "block";
	document.getElementById('divLoading').style.top = document.body.scrollTop;
	document.getElementById('divLoading').style.width = "100%";
	document.getElementById('divLoading').style.height = "100%";
	Element.style.display = "block";
}

function DisableButton(butName)
{
	document.getElementById(butName).disabled = true;
}

function confirmRemoveAd(evt, msg)
{
	if (!confirm(msg))
		preventDefaultAction(evt);
	else
		return true; 
}

function preventDefaultAction(e) 
{ 
	if (e) 
	{ 
		if (typeof e.preventDefault!= 'undefined') 
		{ 
			e.preventDefault(); // W3C 
		} else { 
			e.returnValue = false; // IE 
		} 
	} 
	// safey for handling DOM Level 0 
	return false; 
}