function detectFF() {
	if(navigator.userAgent.indexOf("Firefox")!=-1){
		trovato = 'FF';
	} else if (navigator.appVersion.indexOf("MSIE")!=-1){
		trovato = 'IE';
	} else {
		trovato = 'UNKNOW';
	}
}

function setHeight() {
	width = document.body.offsetWidth;
	height = document.body.offsetHeight;

	detectFF();
	if(height == null || height == 0) {
		if (trovato == 'IE') {
			height1 = document.documentElement.scrollHeight;
			height2 = document.documentElement.clientHeight;
			if(height1 >= height2) {
				height = height1;
			} else {
				height = height2;
			}
		} else if (trovato == 'FF') {
			height = document.documentElement.scrollHeight;
		} else {
			height = document.documentElement.clientHeight;
		}
	}
	element = document.getElementById('contenitoreTot');
	element.style.width = width+'px';
	element.style.height = height+'px';
}