function calculate() {
	c = document.getElementById('calculator').count[document.getElementById('calculator').count.selectedIndex].value;
	if( c != 1 ) {
	document.getElementById("s").innerHTML = 's';
	} else {
	document.getElementById("s").innerHTML = '';
	}

	min = c;
	max = ( c * 5 );

	min_h = min % 1000;
	min_t = parseInt( min / 1000 );
	max_h = max % 1000;
	max_t = parseInt( max / 1000 );

	if( min_h < 100 && min_t > 0 ) { if( min_h < 10 ) { min_h = '0' + min_h; } min_h = '0' + min_h; }
	if( max_h < 100 && max_t > 0 ) { if( max_h < 10 ) { max_h = '0' + max_h; } max_h = '0' + max_h; }
	if( min_t > 0 ) { min = min_t + ',' + min_h; } else { min = min_h; }
	if( max_t > 0 ) { max = max_t + ',' + max_h; } else { max = max_h; }

	document.getElementById("output").innerHTML = '<h1>$' + min + ' and $' + max + '</h1>';
}