[j0hnik]

else if (document.getElementById('designer').checked) {
	   if (document.getElementById('100').checked) {sum2 += 0;} 
	   if (document.getElementById('200').checked) {sum2 += 0;}
	   if (document.getElementById('300').checked) {sum2 += 0;}
	   if (document.getElementById('400').checked) {sum2 += 0;}
	   if (document.getElementById('500').checked) {sum2 += 0;}
	   if (document.getElementById('600').checked) {sum2 += 0;}
	   if (document.getElementById('700').checked) {sum2 += 0;}
	   if (document.getElementById('800').checked) {sum2 += 0;}
	   if (document.getElementById('900').checked) {sum2 += 0;}
	   if (document.getElementById('1000').checked) {sum2 += 0;}
  }

улыбнуло