var themeURL = "/wp-content/themes/sawtooth/";

function isObject(a) {
	return (typeof a == 'object' && !!a);
}

function grayOut(vis, options) {
  // Pass true to gray out screen, false to ungray
  // options are optional.  This is a JSON object with the following (optional) properties
  // opacity:0-100         // Lower number = less grayout higher = more of a blackout
  // zindex: #             // HTML elements with a higher zindex appear on top of the gray out
  // bgcolor: (#xxxxxx)    // Standard RGB Hex color code
  // grayOut(true, {'zindex':'50', 'bgcolor':'#0000FF', 'opacity':'70'});
  // Because options is JSON opacity/zindex/bgcolor are all optional and can appear
  // in any order.  Pass only the properties you need to set.
  var options = options || {};
  var zindex = options.zindex || 5000;
  var opacity = options.opacity || 70;
  var opaque = (opacity / 100);
  var bgcolor = options.bgcolor || '#000000';
  var dark=document.getElementById('darkenScreenObject');
  if (!dark) {
    // The dark layer doesn't exist, it's never been created.  So we'll
    // create it here and apply some basic styles.
    // If you are getting errors in IE see: http://support.microsoft.com/default.aspx/kb/927917
    var tbody = document.getElementsByTagName("body")[0];
    var tnode = document.createElement('div');           // Create the layer.
        tnode.style.position='fixed';                    // Position absolutely
        tnode.style.top='0px';                           // In the top
        tnode.style.left='0px';                          // Left corner of the page
        tnode.style.overflow='hidden';                   // Try to avoid making scroll bars
        tnode.style.display='none';                      // Start out Hidden
        tnode.id='darkenScreenObject';                   // Name it so we can find it later
    tbody.appendChild(tnode);                            // Add it to the web page
    dark=document.getElementById('darkenScreenObject');  // Get the object.
    attachEvent(dark,'click',closeWindow)
  }
  if (vis) {
    // Calculate the page width and height
    if( document.body && ( document.body.scrollWidth || document.body.scrollHeight ) ) {
        var pageWidth = document.body.scrollWidth+'px';
        var pageHeight = document.body.scrollHeight+'px';
        if (window.innerHeight > document.body.scrollHeight) pageHeight = window.innerHeight + 'px';
    } else if( document.body.offsetWidth ) {
      var pageWidth = document.body.offsetWidth+'px';
      var pageHeight = document.body.offsetHeight+'px';
        if (window.innerHeight > document.body.offsetHeight) pageHeight = window.innerHeight + 'px';
    } else {
       var pageWidth='100%';
       var pageHeight='100%';
    }

    //set the shader to cover the entire page and make it visible.
    dark.style.opacity=opaque;
    dark.style.MozOpacity=opaque;
    dark.style.filter='alpha(opacity='+opacity+')';
    dark.style.zIndex=zindex;
    dark.style.backgroundColor=bgcolor;
    dark.style.width= pageWidth;
    dark.style.cursor = 'pointer';
    dark.style.height= pageHeight;
    dark.style.display='block';
  } else {
     dark.style.display='none';
  }
}



function attachEvent(el,evt,fnc){
	if (el.addEventListener) {
		el.addEventListener (evt,fnc,false);
	} else if (el.attachEvent) {
		el.attachEvent ("on"+evt,fnc);
	} else {
		el.onclick = fnc;
	}
}





var arrWindowNames = new Array(6);
arrWindowNames[0] = 'server';
arrWindowNames[1] = 'laptops';
arrWindowNames[2] = 'pc';
arrWindowNames[3] = 'voip';
arrWindowNames[4] = 'security';
arrWindowNames[5] = 'software';
arrWindowNames[6] = 'voice-data-circuits';


function loadWindow(wName) {
	if (isObject(document.getElementById('popup-' + wName))) {
		grayOut(true,{'zindex':'50', 'bgcolor':'#000000', 'opacity':'30'});
		document.getElementById('popup-' + wName).style.display = 'block';
	}
}

function closeWindow() {
	grayOut(false);
	for (i = 0; i < arrWindowNames.length; i++) {
		if (isObject(document.getElementById('popup-' + arrWindowNames[i]))) document.getElementById('popup-' + arrWindowNames[i]).style.display = 'none';
	}
}

function getHash() {
  var hash = window.location.hash;
  return hash.substring(1); // remove #
}

var currentSlide = 0;
var maxSlide = 4;
var slideTimer;

function hideSlides(currentSlide) {
	var previousSlide = currentSlide - 1;
	if (previousSlide == 0) previousSlide = maxSlide;
	$('#fpbanner' + previousSlide).hide();
}

function changeSlides() {
	currentSlide++;
	if (currentSlide > maxSlide) currentSlide = 1;

	if (currentSlide == 1) {
		$('#fpbanner' + currentSlide).fadeIn("slow");
		hideSlides(currentSlide);
		$('.fptitle').css('color', '#FFFFFF');
		$('.fptitletext').css('color', '#FFFFFF');
	} else {
		$('#fpbanner' + currentSlide).fadeIn("slow");
		hideSlides(currentSlide);
		$('.fptitle').css('color', '#000000');
		$('.fptitletext').css('color', '#000000');
	}
	slideTimer = setTimeout("changeSlides()",6000);
}