function el(id) { return document.getElementById(id) }

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;
}

window.onresize = function () { resize() }
window.onload = function () { resize() }

function resize() {
	wh = getWindowHeight();
	mh = wh - 68 - 68;
	el('main').style.height = mh+'px';
}

$(document).ready(function(){
	// start slideshow 
    $('#slideshow').cycle({ 
        fx: 'scrollLeft',
        timeout: 5500,  
        speed: 200,
        next: '#slideshow',
        pause: 1,
    }); 
})