/* 
* Commuter savings calc
*
**/ 
function saveCalc(){
  if (document.savingsCalculator.mpg.value == "" &&  document.savingsCalculator.price.value !== "" ){
  alert('Please answer: C.How many km per gallon does your automobile average? ');
  }   

  if (document.savingsCalculator.mpg.value == 0.0){   
   with (document.savingsCalculator){  
    res = ((dist.value * workdays.value * 0.13) + (dist.value * workdays.value * 0.31) + (parking.value * 1));
    }
  }else{
   with (document.savingsCalculator){  
     res = ((dist.value * workdays.value * 0.13) + (dist.value * workdays.value * 0.31) + (dist.value * workdays.value * (price.value / mpg.value)) + (parking.value * 1));
   }
 }
 if (res - parseInt(res) == 0){      
  res2 = res*12;
	res  = res  + ".00";
	res2 = res2 + ".00";
	res3 = (res2 / 2) + ".00";
	res4 = ((res2/4) * 3) + ".00";
 }else{
   res += 0.005;                        // round to penny
   temp = (res - parseInt(res)) + 1;    // temp = 1.xxx...
   temp = temp + " ";                   // temp = string
   temp = temp.substring(1,4);          // temp = .xx
   res = parseInt(res) + temp;          // res = integer + .xx
   res2 = res*12;

    res2 += 0.005;                       // round to penny
  	temp = (res2 - parseInt(res2)) + 1;  // temp = 1.xxx...
  	temp = temp + " ";                   // temp = string
  	temp = temp.substring(1,4);          // temp = .xx
  	res2 = parseInt(res2) + temp;        // res2 = integer + .xx
	
	res3 = (res2 / 2);
	res3 += 0.005;								// round to penny
	temp2 = (res3 - parseInt(res3)) + 1;     // temp2 = 1.xxx...
	temp2 = temp2 + " ";						   // temp2 = string
	temp2 = temp2.substring(1,4);			   // temp2 = .xx
	res3 = parseInt(res3) + temp2;		      // res3 = integer + .xx
	
  	res4 = (res2/4) * 3;
  	res4 += 0.005;								// round to penny
  	temp3 = (res4 - parseInt(res4)) + 1;     // temp3 = 1.xxx...
  	temp3 = temp3 + " ";						   // temp3 = string
  	temp3 = temp3.substring(1,4);			   // temp3 = .xx
  	res4 = parseInt(res4) + temp3;		      // res4 = integer + .xx
  }

 document.savingsCalculator.result1.value = "Dhs " + res;
  document.savingsCalculator.result2.value = "Dhs " + res2;
    document.savingsCalculator.result3.value = "Dhs " + res3;
      document.savingsCalculator.result4.value = "Dhs " + res4;
}
// END Commuter savings calc