/***********************************************************************

Author:     Sander Tiekstra
Company:    Tiekstramedia
URL:        http://www.tiekstramedia.nl
			http://www.4rn0.nl

***********************************************************************/


/* Initialize behaviour on page or DOM load
-------------------------------------------------------------------- */
if (document.addEventListener) { document.addEventListener('DOMContentLoaded',init,null); }
/*@cc_on @*/ /*@if (@_win32) document.write("<script defer src=../js/init.js><"+"/script>"); /*@end @*/   
window.onload = init;

function init() {

	if (arguments.callee.done) {
		return;
	}
	
	arguments.callee.done = true;
	
	if (typeof(document.getElementById) == 'undefined') {
		document.getElementById = function(id) {
			return document.all[id];
		};
	}
	
	setSiteHeight();
	setA();
}

/* Reset after window resize
-------------------------------------------------------------------- */
window.onresize = function() {
	setSiteHeight();
}



/* - Defocus all links
   - Send links with rel="external" to a new window 
-------------------------------------------------------------------- */
function setA()
{
	var as = document.getElementsByTagName("a");
	for (i=0; i<as.length; i++)
	{
		as[i].onfocus = function() { this.blur(); }
		// Handle rel="external"
		if (as[i].getAttribute('rel') == 'external') {
           as[i].setAttribute('target', '_blank');
       }
	}
}


/* Get height of browser window
-------------------------------------------------------------------- */
function getWindowHeight() {
	var windowHeight = 0;
	if (typeof(window.innerHeight) == 'number')
	{
		windowHeight = window.innerHeight;
	} else {
		if (document.documentElement && document.documentElement.clientHeight)
		{
			windowHeight = document.documentElement.clientHeight;
		} else {
			if (document.body && document.body.clientHeight)
			{
				windowHeight = document.body.clientHeight;
			}
		}
	}
	return windowHeight;
}



/* Set the height Container
-------------------------------------------------------------------- */
function setSiteHeight() {	
	if (document.getElementById('mainNav')) {
		minHeight = document.getElementById('mainNav').offsetTop + document.getElementById('mainNav').offsetHeight;
		if (minHeight < getWindowHeight()) {
			if (document.getElementById('container')) {
				document.getElementById('container').style.height = getWindowHeight() - 13 + "px";
			} else {
				return;
			}
			if (document.getElementById('content')) {
				document.getElementById('content').style.height = getWindowHeight() - document.getElementById('content').offsetTop + "px";
				setContentSubs();				
			}
		} else {
			if (document.getElementById('container')) {
				document.getElementById('container').style.height = minHeight - 13 + "px";
			} else {
				return;
			}
			if (document.getElementById('content')) {
				document.getElementById('content').style.height = minHeight - document.getElementById('content').offsetTop + "px";
				setContentSubs();	
			}
		}
	}
	
	function setContentSubs() {
		contentHeight = document.getElementById('content').offsetHeight - 8;
		tempHeight = 0;
		
		mainDiv = document.getElementById('main');
		subDiv = document.getElementById('sub');
		
		if (mainDiv) {
			if (mainDiv.offsetHeight < contentHeight) {
				mainDiv.style.height = contentHeight + "px";
			}
		}
		if (subDiv) {
			if (subDiv.offsetHeight < contentHeight) {
				subDiv.style.height = contentHeight + "px";
			}
		}
		
		if (mainDiv) {
			if (mainDiv.offsetHeight > tempHeight) {
				tempHeight = mainDiv.offsetHeight;
			}
		}
		if (subDiv) {
			if (subDiv.offsetHeight > tempHeight) {
				tempHeight = subDiv.offsetHeight;
			}
		}
		
		if ((tempHeight - 8) > contentHeight) {
			if (mainDiv) {
				mainDiv.style.height = tempHeight + "px";
			}
			if (subDiv) {
				subDiv.style.height = tempHeight - 8 + "px";
			}
		}
			
	}
}