window.onload = setupPage;

function setupPage()
{
	if (!document.getElementsByTagName)
	{
		return;
	}
	
	var anchors = document.getElementsByTagName("a");
	
	for (var i = 0; i < anchors.length; i++)
	{
		var anchor = anchors[i];
		
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external")
		{
			anchor.target = "_blank";
		}
	}
}

var preloadImages = false;

var nav_email_broadcast_out = new Image();
var nav_email_optimization_out = new Image();
var nav_email_consulting_out = new Image();

var nav_company_out = new Image();
var nav_services_out = new Image();
var nav_why_cmm_out = new Image();
var nav_resources_out = new Image();
var nav_contact_out = new Image();

var nav_email_broadcast_over = new Image();
var nav_email_optimization_over = new Image();
var nav_email_consulting_over = new Image();

var nav_company_over = new Image();
var nav_services_over = new Image();
var nav_why_cmm_over = new Image();
var nav_resources_over = new Image();
var nav_contact_over = new Image();

function changeImage(imgName, imgState)
{
	if (preloadImages)
	{
		window.document.images[imgName].src = eval("nav_" + imgName + "_" + imgState + ".src");
	}
}

var menuwidth = '165px';
var menubgcolor = '#306799';
var disappeardelay = 250;
var hidemenu_onclick = "yes";

var currentImgName = '';
var currentImgState = '';

var ie4 = document.all;
var ns6 = document.getElementById && !document.all;
var safari = (navigator.userAgent.toLowerCase().indexOf("safari") != -1) ? true : false;

if (ie4 || ns6)
{
	document.write('<div id="dropmenudiv" style="visibility: hidden; background-color:' + menubgcolor + '; width:' + menuwidth + ';" onmouseover="javascript:clearhidemenu();" onmouseout="javascript:dynamichide(event);"></div>');
}

function getposOffset(what, offsettype)
{
	var totaloffset = (offsettype == "left") ? what.offsetLeft : what.offsetTop;
	var parentEl = what.offsetParent;
	
	while (parentEl != null)
	{
		totaloffset = (offsettype == "left") ? totaloffset + parentEl.offsetLeft : totaloffset + parentEl.offsetTop;
		parentEl = parentEl.offsetParent;
	}
	
	return totaloffset;
}


function showhide(obj, e, visible, hidden, menuwidth)
{
	if (ie4 || ns6)
	{
		dropmenuobj.style.left = dropmenuobj.style.top = "-500px";
	}
		
	if (menuwidth != "")
	{
		dropmenuobj.widthobj = dropmenuobj.style;
		dropmenuobj.widthobj.width = menuwidth;
	}
	
	if (e.type == "click" && obj.visibility == hidden || e.type == "mouseover")
	{
		obj.visibility = visible;
	}
	else if (e.type == "click")
	{
		obj.visibility = hidden;
	}
}

function iecompattest()
{
	return (document.compatMode && document.compatMode != "BackCompat") ? document.documentElement : document.body;
}

function clearbrowseredge(obj, whichedge)
{
	var edgeoffset = 0;
	
	if (whichedge == "rightedge")
	{
		var windowedge = ie4 && !window.opera ? iecompattest().scrollLeft + iecompattest().clientWidth - 15 : window.pageXOffset + window.innerWidth - 15;
		dropmenuobj.contentmeasure = dropmenuobj.offsetWidth;
		
		if (windowedge - dropmenuobj.x < dropmenuobj.contentmeasure)
		{
			edgeoffset = dropmenuobj.contentmeasure - obj.offsetWidth;
		}
	}
	else
	{
		var topedge = ie4 && !window.opera ? iecompattest().scrollTop : window.pageYOffset;
		var windowedge = ie4 && !window.opera ? iecompattest().scrollTop + iecompattest().clientHeight - 15 : window.pageYOffset + window.innerHeight - 18;
		dropmenuobj.contentmeasure = dropmenuobj.offsetHeight;
		
		if (windowedge - dropmenuobj.y < dropmenuobj.contentmeasure)
		{
			edgeoffset = dropmenuobj.contentmeasure + obj.offsetHeight;
			
			if ((dropmenuobj.y - topedge) < dropmenuobj.contentmeasure)
			{
				edgeoffset = dropmenuobj.y + obj.offsetHeight - topedge;
			}
		}
	}
	
	return edgeoffset;
}

function populatemenu(what)
{
	if (ie4 || ns6)
	{
		dropmenuobj.innerHTML = what.join("");
	}
}


function dropdownmenu(obj, e, menucontents, menuwidth, imgName, imgState, offset)
{
	if (currentImgName != '')
	{
		changeImage(currentImgName, 'out');
	}
	
	changeImage(imgName, imgState);
	currentImgName = imgName;
	currentImgState = 'out';
	
	if (window.event)
	{
		event.cancelBubble = true;
	}
	else if (e.stopPropagation)
	{
		e.stopPropagation();
	}
	
	clearhidemenu();
	dropmenuobj = document.getElementById ? document.getElementById("dropmenudiv") : dropmenudiv;
	populatemenu(menucontents);
	
	if (ns6 && !safari)
	{
		obj = eval('document.' + imgName);
	}
	
	if (ie4 || ns6)
	{
		showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth);
		dropmenuobj.x = getposOffset(obj, "left");
		dropmenuobj.y = getposOffset(obj, "top");
		dropmenuobj.style.left = dropmenuobj.x + offset - clearbrowseredge(obj, "rightedge") + "px";
		
		var top = dropmenuobj.y - clearbrowseredge(obj, "bottomedge") + obj.offsetHeight;
		
		if (safari)
		{
			top += 58;
		}
		
		dropmenuobj.style.top = top + "px";
	}
	
	return clickreturnvalue();
}

function clickreturnvalue()
{
	if (ie4 || ns6)
	{
		return false;
	}
	else
	{
		return true;
	}
}

function contains_ns6(a, b)
{
	while (b.parentNode)
	{
		if ((b = b.parentNode) == a)
		{
			return true;
		}
	}
	
	return false;
}

function dynamichide(e)
{
	if (ie4 && !dropmenuobj.contains(e.toElement))
	{
		delayhidemenu();
	}
	else if (ns6 && e.currentTarget != e.relatedTarget && !contains_ns6(e.currentTarget, e.relatedTarget))
	{
		delayhidemenu();
	}
}

function hidemenu(e)
{
	if (currentImgName != '')
	{
		changeImage(currentImgName, currentImgState);
		currentImgName = '';
		currentImgState = '';
	}
	
	if (typeof dropmenuobj != "undefined")
	{
		if (ie4 || ns6)
		{
			dropmenuobj.style.visibility = "hidden";
		}
	}
}

function delayhidemenu()
{
	if (ie4 || ns6)
	{
		delayhide = setTimeout("hidemenu()", disappeardelay);
	}
}

function clearhidemenu()
{
	if (typeof delayhide != "undefined")
	{
		clearTimeout(delayhide);
	}
}

if (hidemenu_onclick == "yes")
{
	document.onclick = hidemenu;
}