function docopy(value1, value2)
{
	document.getElementById(value2).value = document.getElementById(value1).value;
}
function doleeg(value1,value2)
{
	document.getElementById(value2).value = '';
}
function copyform(id)
{
	if(document.getElementById(id).checked == true)
	{
		docopy('adres','objectadres');
		docopy('postcode','objectpostcode');
		docopy('plaats','objectplaats');
	} else {
		doleeg('adres','objectadres');
		doleeg('postcode','objectpostcode');
		doleeg('plaats','objectplaats');
	}
}



///  hoteliers


var curDate = new Date();
var hEngine = 'http://www.hoteliers.com/osEngine.php?ID='; 

function dInM(mon){           
    	if (mon == 2){
             Year = curDate.getFullYear();
             if(Math.round(Year/4) == Year/4){
              		if(Math.round(Year/100) == Year/100){
       					if(Math.round(Year/400) == Year/400)
        				return 29;
       					else return 28;
      				}
      			else return 29;
     			}
    		return 28;
            }
            else if (mon == 4 || mon == 6 || mon == 9 || mon == 11){
             return 30;
            }
            return 31;
	}

function getNDay(){
theMonth = document.hcomForm.am.options.selectedIndex;
theDay = parseInt(document.hcomForm.ad.options.selectedIndex);

 if (! theMonth == 0 && ! theDay == 0){
  dInMonth = dInM(theMonth);
  
  if (theDay > dInMonth){
	document.hcomForm.ad.options.selectedIndex = theDay = dInMonth;
  }
  newDay = theDay + 1;
  newMonth = theMonth;
  
  if (newDay > dInMonth){
            newDay = 1;
            newMonth = theMonth + 1;
            if (newMonth > 12){
				newMonth = 1;
            }
  }

document.hcomForm.dd.selectedIndex = newDay;
document.hcomForm.dm.selectedIndex = newMonth;
 }
}


function doCheckForm(){

el = document.getElementById('content');
if (el){
	el.innerHTML = '<iframe name="' + document.hcomForm.hTarget.value + '" src="" width="584" height="390" frameborder="0">';
}
document.hcomForm.target = document.hcomForm.hTarget.value;
document.hcomForm.action = 'http://www.hoteliers.com/osEngine.php?ID=' + document.hcomForm.hotelID.value + '&lang=nl';
document.hcomForm.submit();

}

function checkDDate(){
 theMonth = document.hcomForm.dm.options.selectedIndex;
 theDay = parseInt(document.hcomForm.dd.options.selectedIndex);
 dInMonth = dInM(theMonth);
 
 if (theDay > dInMonth){
  document.hcomForm.dd.options.selectedIndex = theDay = dInMonth;
 }
}