function checker()

            {
                var regExp1 = /^(\d{1,2})\/(\d{1,2})\/(\d{2})$/
                var regExp2 = /^(\d{1,2})\/(\d{1,2})\/(\d{4})$/
                var result1 = document.form1.Departure_Date.value.match(regExp1)
                var result2 = document.form1.Departure_Date.value.match(regExp2)
				var result3 = document.form1.Return_Date.value.match(regExp1)
                var result4 = document.form1.Return_Date.value.match(regExp2)
				var Return_Airport = document.form1.Return_Airport.value
				var Drop_Off_H = document.form1.Drop_Off_H.value
				var Drop_Off_MM = document.form1.Drop_Off_MM.value
				var Arr_HH = document.form1.Arr_HH.value
				var Arr_MM = document.form1.Arr_MM.value
				
				var currentTime = new Date()

				var mydate=new Date()
				var year=mydate.getYear()
				if (year < 1000)
				year+=1900
				var day=mydate.getDay()
				var month=mydate.getMonth()+1
				if (month<10)
				month="0"+month
				var daym=mydate.getDate()
				if (daym<10)
				daym="0"+daym
				currentDate = (year + "/" + month + "/" + daym)
				
				
				
				

				from=document.form1.Departure_Date.value // From the Form
				to=document.form1.Return_Date.value     // From the Form
				

				var fromArray = from.split('/');
	

	
				if (fromArray[2] == "06") 
				{
					fromArray[2] = "2006";
				}

				if (fromArray[2] == "07") 
				{
					fromArray[2] = "2007";
				}

				if (fromArray[2] == "08") 
				{
					fromArray[2] = "2008";
				}

				if (fromArray[2] == "09") 
				{
					fromArray[2] = "2009";
				}

				if (fromArray[2] == "10") 
				{
					fromArray[2] = "2010";
				}

				if (fromArray[2] == "11") 
				{
					fromArray[2] = "2011";
				}

				if (fromArray[2] == "12") 
				{
					fromArray[2] = "2012";
				}

				if (fromArray[2] == "13") 
				{
					fromArray[2] = "2013";
				}

				if (fromArray[2] == "14") 
				{
					fromArray[2] = "2014";
				}			

				if (fromArray[2] == "15") 
				{
					fromArray[2] = "2015";
				}



				fromdate = new Date(fromArray[2], fromArray[1]-1, fromArray[0]);
				
				var toArray = to.split('/');
				
				if (toArray[2] == "06") 
				{
					toArray[2] = "2006";
				}
				
				if (toArray[2] == "07") 
				{
					toArray[2] = "2007";
				}

				if (toArray[2] == "08") 
				{
					toArray[2] = "2008";
				}

				if (toArray[2] == "09") 
				{
					toArray[2] = "2009";
				}

				if (toArray[2] == "10") 
				{
					toArray[2] = "2010";
				}


				if (toArray[2] == "11") 
				{
					toArray[2] = "2011";
				}

				if (toArray[2] == "12") 
				{
					toArray[2] = "2012";
				}

				if (toArray[2] == "13") 
				{
					toArray[2] = "2013";
				}

				if (toArray[2] == "14") 
				{
					toArray[2] = "2014";
				}

				if (toArray[2] == "15") 
				{
					toArray[2] = "2015";
				}

								
				todate = new Date(toArray[2], toArray[1]-1, toArray[0]);
				
				var todayArray = currentDate.split('/');
				todaysDate = new Date(todayArray[0],todayArray[1]-1,todayArray[2]);
				

				document.form1.Departure_Date.value=(fromArray[0] + '/' + fromArray[1] + '/' + fromArray[2])
				document.form1.Return_Date.value=(toArray[0] + '/' + toArray[1] + '/' + toArray[2])
				
				

				
				
				if (todaysDate - fromdate > 1) {
					alert("Departure Date is in the Past!")
					return false
					
				} else {
				
				if (fromdate - todate > 1) {
					alert("Return Date is before the Departure Date!")
					return false
				
				} else {
				
                if (result1 == null && result2 == null) {
                    alert("Please Enter a valid departure date.")
                    document.form1.Departure_Date.value = ""
                    return false
				} else {
				if (result3 == null && result4 == null) {
                    alert("Please Enter a valid arrival date.")
                    document.form1.Return_Date.value = ""
                    return false
				
				} else {
				if (document.form1.Drop_Off_H.value == "--") {
                    alert("Please Enter a valid Drop off Time Hour.")
                    document.form1.Drop_Off_H.value = "--"
                    return false

				} else {
				if (document.form1.Drop_Off_MM.value == "--") {
                    alert("Please Enter a valid Drop off Time Minute.")
                    document.form1.Drop_Off_MM.value = "--"
                    return false

				} else {
				if (document.form1.Arr_HH.value == "--") {
                    alert("Please Enter a valid Pickup Time Hour.")
                    document.form1.Arr_HH.value = "--"
                    return false

				} else {
				if (document.form1.Arr_MM.value == "--") {
                    alert("Please Enter a valid Pickup Time Minute.")
                    document.form1.Arr_MM.value = "--"
                    return false


				
				} else {
				if (document.form1.Dep_Flight_No.value == "") {
                    alert("Please Enter a Departing Flight Number.")
                    document.form1.Dep_Flight_No.value = ""
                    return false
				} else {
				if (document.form1.Arr_Flight_No.value == "") {
					alert("Please Enter an Arrival Flight Number.")
                    document.form1.Arr_Flight_No.value = ""
                    return false
				
				} else {
				if (document.form1.Return_Airport.value == "") {
					alert("Please Enter the Airport you are flying back from.")
                    document.form1.Return_Airport.value = ""
                    return false
			
                } else {
				
				
				
				if (document.form1.Departure_Date.value == "21/7/2007") {
					alert("Due to unprecedented demand we are currently unable to take any bookings on 21/7/2007 and 22/7/2007 - Our Sincere Apologies")                    
                    return false
			
                } else {
								
				if (document.form1.Return_Date.value == "21/7/2007") {
					alert("Due to unprecedented demand we are currently unable to take any bookings on 21/7/2007 and 22/7/2007 - Our Sincere Apologies!")                    
                    return false
			
                } else {								
								
				if (document.form1.Departure_Date.value == "22/7/2007") {
					alert("Due to unprecedented demand we are currently unable to take any bookings on 21/7/2007 and 22/7/2007 - Our Sincere Apologies")                    
                    return false
			
                } else {
								
				if (document.form1.Return_Date.value == "22/7/2007") {
					alert("Due to unprecedented demand we are currently unable to take any bookings on 21/7/2007 and 22/7/2007 - Our Sincere Apologies!")                    
                    return false
			
                } else {			
				
				
				
				if (document.form1.Departure_Date.value == "02/06/2007") {
					alert("Due to unprecedented demand we are currently unable to take any bookings on 02/06/2007 and 03/06/2007 - Our Sincere Apologies")                    
                    return false
			
                } else {
								
				if (document.form1.Return_Date.value == "02/06/2007") {
					alert("Due to unprecedented demand we are currently unable to take any bookings on 02/06/2007 and 03/06/2007 - Our Sincere Apologies!")                    
                    return false
			
                } else {								
								
				if (document.form1.Departure_Date.value == "03/06/2007") {
					alert("Due to unprecedented demand we are currently unable to take any bookings on 02/06/2007 and 03/06/2007 - Our Sincere Apologies")                    
                    return false
			
                } else {
								
				if (document.form1.Return_Date.value == "03/06/2007") {
					alert("Due to unprecedented demand we are currently unable to take any bookings on 02/06/2007 and 03/06/2007 - Our Sincere Apologies!")                    
                    return false
			
                } else {				
				
				
									
								
				    from=document.form1.Departure_Date.value
					to=document.form1.Return_Date.value
				

				
					var fromArray = from.split('/');
					fromdate = new Date( fromArray[2], fromArray[1]-1, fromArray[0]);

					var toArray = to.split('/');
					todate = new Date( toArray[2], toArray[1]-1, toArray[0]);

					var totalfee=(todate-fromdate)/86400000 * 10				
					
                    document.form1.submit()
                }
            }
			}
			}
			}
			}
			}
			}
			}
			}
			}
			}
			}
			}
			}
			}
			}
			}
}
}
            //-->