function calcHits(){
	level1 = eval(num1.value) * 12
	level2 = eval(num1.value) * eval(num2.value) * 12
	level3 = eval(num1.value) * eval(num2.value) * eval(num2.value) * 12
	level4 = eval(num1.value) * eval(num2.value) * eval(num2.value) * eval(num2.value) * 12
	num4.value = level1 + level2 + level3 + level4
}

document.write( '<tr><td align=right><img src=http://www.fastfreeway.com/promo/tcalc02.gif height=32 width=72></td>' );
document.write( '<td><input type="text" name="num1" size=3 value=3></td></tr>' );
document.write( '<tr><td align=right><img src="http://www.fastfreeway.com/promo/tcalc03.gif" height=31 width=84></td>' );
document.write( '<td><input type="text" name="num2" size=3 value=3></td></tr>' );
document.write( '<tr><td align=right><img src=http://www.fastfreeway.com/promo/tcalc05.gif height=32 width=75></td>' );
document.write( '<td><input type=text name=num4 size=5 value=1440></td></tr>' );
document.write( '<tr><td colspan=2 align=center height=30><input type=image src=http://www.fastfreeway.com/promo/tcalc04.gif ' );
document.write( 'border=0 value=Calculate name=calc onclick=calcHits()></td></tr>' );
document.write( '<tr><td colspan=2><img src=http://www.fastfreeway.com/promo/tcalc06.gif height=3 width=149></td></tr>' );