<!--
function calc_price(freq,area_ent){

 var t=freq.selectedIndex;
 var amt=0;
 var area=area_ent.value;
if (t!=0){
 if ((area>=0)&(area<501)){
  switch (t) {
    case 1:
      amt=area*(25/100);
    break;
    case 2:
      amt=area*(20/100);    
    break;
    case 3:
      amt=area*(15/100);    
    break;
    case 4:
      amt=area*(10/100);
    break;
  } 
 }
 else
  if ((area>500)&(area<751)){
  switch (t){
    case 1:
      amt=area*(23/100);
    break;
    case 2:
      amt=area*(19/100);    
    break;
    case 3:
      amt=area*(14.5/100);    
    break;
    case 4:
      amt=area*(9/100);
     break;    
   default:
      // do nothing
   break;
  } 
 }
 else
  if ((area>750)&(area<1001)){
  switch (t){
    case 1:
      amt=area*(22/100);
    break;
    case 2:
      amt=area*(17/100);    
    break;
    case 3:
      amt=area*(12/100);    
    break;
    case 4:
      amt=area*(8/100);
     break;    
   default:
      // do nothing
   break;
  } 
 }
 else
  if ((area>1000)&(area<1501)){
  switch (t){
    case 1:
      amt=area*(20/100);
    break;
    case 2:
      amt=area*(15/100);    
    break;
    case 3:
      amt=area*(11/100);    
    break;
    case 4:
      amt=area*(7/100);
     break;    
   default:
      // do nothing
   break;
  } 
 }
 else
  if ((area>1500)&(area<2501)){
  switch (t){
    case 1:
      amt=area*(19/100);
    break;
    case 2:
      amt=area*(10/100);    
    break;
    case 3:
      amt=area*(8/100);    
    break;
    case 4:
      amt=area*(4/100);
     break;    
   default:
      // do nothing
   break;
  } 
 }
 else
  if ((area>2500)&(area<5001)){
  switch (t){
    case 1:
      amt=area*(18/100);
    break;
    case 2:
      amt=area*(10/100);    
    break;
    case 3:
      amt=area*(6/100);    
    break;
    case 4:
      amt=area*(3/100);
     break;    
   default:
      // do nothing
   break;
  } 
 }
 else
  if ((area>5000)&(area<10001)){
  switch (t){
    case 1:
      amt=area*(17/100);
    break;
    case 2:
      amt=area*(9.5/100);    
    break;
    case 3:
      amt=area*(5.5/100);    
    break;
    case 4:
      amt=area*(2.5/100);
     break;    
   default:
      // do nothing
   break;
  } 
 }
 else
  if ((area>10000)&(area<20001)){
  switch (t){
    case 1:
      amt=area*(16/100);
    break;
    case 2:
      amt=area*(9.5/100);    
    break;
    case 3:
      amt=area*(4.5/100);    
    break;
    case 4:
      amt=area*(2/100);
     break;    
   default:
      // do nothing
   break;
  } 
 }
 else
  if ((area>20001)&(area<50001)){
  switch (t){
    case 1:
      amt=area*(15/100);
    break;
    case 2:
      amt=area*(9/100);    
    break;
    case 3:
      amt=area*(3/100);    
    break;
    case 4:
      amt=area*(1.5/100);
     break;    
   default:
      // do nothing
   break;
  } 
 }
else
   alert("Please give us a call to discuss the special pricing for floor area greator than 50000");

 if (amt>0){
 document.check.sub_total.value=Math.floor(amt);
 document.check.total.value=Math.floor(amt+(amt*(0.15)));
 }

 }
 else
   alert('Please select "Type of Cleaning" to proceed');
}

//-->