function createDropDown(elementID,startno,endno){	
	var mainElement = document.getElementById(elementID);
	mainElement.innerHTML = "";	
	for(var i=startno;i<=endno;i++){
		var optionElement = document.createElement("option");
		var newtext=document.createTextNode(i);
		optionElement.appendChild(newtext);
		optionElement.setAttribute("value",i);	
		mainElement.appendChild(optionElement);
	}//end for
}//end function

function changeAdultChild(roomAmount){	
	switch(roomAmount){
		case "1":			
			createDropDown("Adults",1,4);
			createDropDown("Children",0,3);
		break;
		case "2":
			createDropDown("Adults",2,8);
			createDropDown("Children",0,6);
		break;
		case "3":
		case "99":
			createDropDown("Adults",3,12);
			createDropDown("Children",0,9);
		break;		
	}//end switch
}//end function



function check_validityform(){
	tf='true';
	message='Plese check field below\n';
	if(document.reserv.datein.value == ""){
		message += '--> Check in\n';
		document.reserv.datein.focus;
		tf='false';															
	}
	if(document.reserv.dateout.value == ""){
		message += '--> Check out\n';
		document.reserv.dateout.focus;
		tf='false';
	}
	if((document.reserv.datein.value != "" && document.reserv.dateout.value != "") && (document.reserv.datein.value > document.reserv.dateout.value)){
		message += '--> Check out less than Check in\n';
		document.reserv.dateout.focus;
		tf='false';	
	}
	if(tf != 'true'){
		alert(message);
		return false;
	}
	else{
		if(document.reserv.hotelID.value != ""){
			document.getElementById("waitpage").value = "hotel";			
		}		
		return true;						
	}	
}//end function