function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}



function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

function toggleLayer( showlayer, hidelayer )
{
  var elem1, elem1, vis;
  if( document.getElementById ) {// this is the way the standards work
    elem1 = document.getElementById( showlayer );
	elem2 = document.getElementById( hidelayer );
  } else if( document.all ) {// this is the way old msie versions work
      elem1 = document.all[showlayer];
	  elem2 = document.all[hidelayer];
  } else if( document.layers ) {// this is the way nn4 works
    elem1 = document.layers[showlayer];
	elem2 = document.layers[hidelayer];
  }
  vis1 = elem1.style;
  vis2 = elem2.style;
  // if the style.display value is blank we try to figure it out here
  if(vis1.display==''&&elem.offsetWidth!=undefined&&elem1.offsetHeight!=undefined)
    vis1.display = (elem1.offsetWidth!=0&&elem1.offsetHeight!=0)?'block':'none';
  vis1.display = (vis1.display==''||vis1.display=='block')?'none':'block';

  if(vis2.display==''&&elem2.offsetWidth!=undefined&&elem2.offsetHeight!=undefined)
    vis2.display = (elem2.offsetWidth!=0&&elem2.offsetHeight!=0)?'block':'none';
  vis2.display = (vis1.display==''||vis1.display=='block')?'none':'block';
}


function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp('(^|\\s)'+searchClass+'(\\s|$)');
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function arrayToDivs(node,className) {
	var divArray = getElementsByClass(node,className, 'div');
	//alert(divArray.length);
	
}

function init() {
	MM_preloadImages('images/interface1/subscribe_now_btn_hover.jpg');	
	var main_content = document.getElementById("main_content");
	
	//hide testimonials in prep for toggle function
	var hdnTestim = getElementsByClass('testimonial',document,'div');
	for(i = 0; i< hdnTestim.length; i++) {
		hdnTestim[i].style.display = "none";	
	}
	
	//add instruction text for testimonials
	var toggleTriggers= getElementsByClass('trigger',document,'a');
	for(i = 0; i< toggleTriggers.length; i++) {
		toggleTriggers[i].innerHTML =  toggleTriggers[i].innerHTML + '<em> - Click to view entire testimonial.</em>';	
	}
}

function channelBox(channel) {
	var newBox = document.createElement("div");
	//var boxStyle = newBox.addAttribute("",);
}