function CalcMe(arg1) { 
var thisform = document.getElementById(arg1); // Gets ID of form
var ttlPrice = 0;
var vehicleType = new Array();
switch (arg1){
case "Car1Form": 
 		vehicleType[0] = "0";	    //"Choose"
  		vehicleType[1] = "300";	  //"Automatic Yamaha Fino"
  		vehicleType[2] = "300";	  //"Honda Click"
  		vehicleType[3] = "250";	  //"Yamaha Nuovo"
  		vehicleType[4] = "250";	  //"Yamaha Mio"
  		vehicleType[5] = "250";	  //"Yamaha Spark"
  		vehicleType[6] = "250";	  //"Yamaha X1"
		vehicleType[7] = "800";	  //"Honda Steed"
  		vehicleType[8] = "500";	  //"Honda Phantom"
  		vehicleType[9] = "1800";  //"Isuzu Cab4 Truck"
  		vehicleType[10] = "1800"; //"Isuzu Space Cab"
  		vehicleType[11] = "1800"; //"Toyota Vios"
  		vehicleType[12] = "1500"; //"Suzuki Caribian"
		break;
case "Car2Form": 
 		vehicleType[0] = "0";	   //"Choose"
  		vehicleType[1] = "2500";   //"To Trat Airport"
		vehicleType[2] = "3000";   //"Around Island"
		vehicleType[3] = "550";	   //"Ferry to Klong Son"
  		vehicleType[4] = "700";	   //"Ferry to White Sand"
  		vehicleType[5] = "800";	   //"Ferry to Klong Prao"
  		vehicleType[6] = "800";	   //"Ferry to Kai Bae"
  		vehicleType[7] = "1000";   //"Ferry to Ta Nam"
  		vehicleType[8] = "1150";   //"Ferry to Bang Bao"
		vehicleType[9] = "1300";   //"Ferry to Boat Chalet"
  		vehicleType[10] = "600";   //"Ferry to Dan Mai"
  		vehicleType[11] = "700";   //"Ferry to Tan Mayom"
		vehicleType[12] = "1050";  //"Ferry to Salak Kok"
		vehicleType[13] = "1050";  //"Ferry to Salak Phet"
		vehicleType[14] = "1050";  //"Ferry to Jek Bae"
  		vehicleType[15] = "5500";  //"Koh Chang to Bangkok"
		vehicleType[16] = "4000";  //"Koh Chang to Koh Samed"
  		vehicleType[17] = "5000";  //"Koh Chang to Chonburi"
  		vehicleType[18] = "4000";  //"Koh Chang to Had Lek"
  		vehicleType[19] = "4500";  //"Koh Chang to Satahip"
  		vehicleType[20] = "4500";  //"Koh Chang to Pataya"
  		vehicleType[21] = "2800";  //"Koh Chang to Chantaburi"
		vehicleType[22] = "4000";  //"Koh Chang to Rayong"
  		vehicleType[23] = "5000";  //"Koh Chang to Aranya Pratet"
		break;
case "Car3Form": 
 		vehicleType[0] = "0";	    //"Choose"
  		vehicleType[1] = "1400";	//"Honda Steed 600cc"
  		vehicleType[2] = "1200";	//"Honda Steed 400cc"
  		vehicleType[3] = "800";	    //"Honda Steed 200cc"
  		vehicleType[4] = "250";	    //"Suzuki Dirt Bike"
  		vehicleType[5] = "250";	    //"Orange"
  		vehicleType[6] = "4000";	//"Emergency Rescue"
		break;
case "Car4Form": 
 		vehicleType[0] = "0";	    //"Choose"
  		vehicleType[1] = "2000";	//"Night Dive"
  		vehicleType[2] = "700";	    //"Snorkeling Day"
  		vehicleType[3] = "3000";	//"Scuba Review"
  		vehicleType[4] = "4000";	//"Open Water Dive"
  		vehicleType[5] = "4000";	//"Advanced Open Water"
  		vehicleType[6] = "4000";	//"Emergency Rescue"
		break;
case "Car5Form": 
 		vehicleType[0] = "0";	    //"Choose"
  		vehicleType[1] = "2000";	//"Night Dive"
  		vehicleType[2] = "700";	    //"Snorkeling Day"
  		vehicleType[3] = "3000";	//"Scuba Review"
  		vehicleType[4] = "4000";	//"Open Water Dive"
  		vehicleType[5] = "4000";	//"Advanced Open Water"
  		vehicleType[6] = "4000";	//"Emergency Rescue"
		break;
}
thisform.unitPrice.value=vehicleType[thisform.vehicleType.selectedIndex];
ttlPrice = parseInt(thisform.daysNo.value) * parseInt(thisform.unitNo.value) * parseInt(thisform.unitPrice.value);
thisform.totalPrice.value = ttlPrice;
}