function roll(img, src){
	eval('obji = window.document.' + img + ';');
	obji.src = src;
	}


function infoScreen(){
	d = document;

	if (typeof window.innerWidth != 'undefined') {
		winWidth = window.innerWidth;
		winHeight = window.innerHeight;
		}
	else {
		if (d.documentElement && typeof d.documentElement.clientWidth != 'undefined' && d.documentElement.clientWidth != 0) {
			winWidth = d.documentElement.clientWidth
			winHeight = d.documentElement.clientHeight
			}
		else {
			if (d.body && typeof d.body.clientWidth != 'undefined') {
				winWidth = d.body.clientWidth
				winHeight = d.body.clientHeight
				}
			}
		}

	window.document.formu.int_screen_width.value = winWidth;
	window.document.formu.int_screen_height.value = winHeight;

	return true;
	}