// preload
onImage = new Image();
onImage.src = "/images/altereye.jpg";
offImage = new Image();
offImage.src = "/images/altereyeoff.jpg";
// untility functions
function trim(str)
{
   return str.replace(/^\s*|\s*$/g,"");
}
function getInnerText(obj) 
{
	var text = obj.innerText;
	if (obj == undefined) {
  		text = obj.innerHTML.replace(/<[^>]+>/g,"");
	}
	return text;
}
function getSelectedText()
{
	if(window.getSelection)
	{
		return window.getSelection();
	}
	else if (document.getSelection)
	{
		return document.getSelection();
	}
	else if (document.selection)
	{
		return  document.selection.createRange().text;
	}
	else return false;
}
// eye switch
function eye_on()
{

	if(document.all) document.images.AlterVistas.filters.blendTrans.apply();
	document.images.AlterVistas.src = onImage.src;
	if(document.all) document.images.AlterVistas.filters.blendTrans.play();
}
function eye_off()
{
	if(document.all) document.images.AlterVistas.filters.blendTrans.apply();
	document.images.AlterVistas.src = offImage.src;
	if(document.all) document.images.AlterVistas.filters.blendTrans.play();
}
function eye_blink(speed)
{
	eye_off();
	setTimeout("eye_on()",speed);
}
var window_status_lead = "AlterVistas: ";
var window_status_char = 0;
var window_status_str = "";
function set_window_status(str)
{
	window_status_char = 0;
	window_status_str = str;
	window_status_fx();
}
function window_status_fx()
{
	msg_legnth = window_status_str.length
	if(window_status_char<msg_legnth)
	{
		window_status_char++;
		window.status=window_status_lead+window_status_str.substring(msg_legnth-window_status_char,msg_legnth);
		setTimeout("window_status_fx()",50);
	}
	else
	{
		window.status = window_status_lead+window_status_str;
	}
}
function speak(str)
{
	set_window_status(str)
}
function speakSelectionText(e) 
{ 
	selectedText = getSelectedText();
	speak(trim(selectedText.replace(/\.+\r\n|\r\n|\n|\r/g, ".. ")));
	return true;
}
document.onmouseup = speakSelectionText;
if(!document.all) document.captureEvents(Event.MOUSEUP);
var linkText = "";
function speakLinkText()
{
	if(!getSelectedText())
	{
		speak(linkText);
	}
}
var linkTimer = false;
function overLink(link)
{
	linkText = getInnerText(link).replace(/[^a-z A-Z&]/g,"");
	if(linkText.length>2)
	{
		linkTimer = setTimeout("speakLinkText()",1000);
	}
}
function outLink()
{
	if(linkTimer)
	{
		clearTimeout(linkTimer);
	}
}
function qcensus_window()
{
	window.open('http://www.altervistas.com/census_quick_fire.php','QCensusWin','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=320,height=370');
}
function bootstrap(status_str)
{
	f.q.focus();
	eye_blink(50);
	set_window_status(status_str);
	
	for(var i=0;i<document.links.length;i++)
	{
		document.links[i].onmouseover = function () {overLink(this);return true;}
		document.links[i].onmouseout = function () {outLink();return true;}
	}

}