function validateMailFriend()
{
	if (document.mailformulier.naam_ontvanger.value == ""
	|| document.mailformulier.email_ontvanger.value == ""
	)
	{ 
		alert("Graag alle velden correct invullen !"); 
	}
	else
	{
		document.mailformulier.submit();
	}
}

function Show_Hide(name,count) 
{ 
	for(i=1; i <= count; i++)
	{
		document.getElementById('ShowLayer'+i).style.display="none";
	}
	element = document.getElementById(name);
	element.style.display="inline"; 
}

function Hide_me(name,name2) 
{ 

	if(document.getElementById(name2).value != 0)
	{ 
		document.getElementById(name).style.display = 'none'; 
	}
	else 
	{ 
		document.getElementById(name).style.display = 'block'; 
		}

}


function wopen(url,wname,flags,w,h) {
    var par='';
    var left = Math.floor( (screen.width - w) / 2);
    var top = Math.floor( (screen.height - h) / 2);
    if(flags&1)  { par+='scrollbars=1,';  } else { par+='scrollbars=0,';  }
    if(flags&2)  { par+='status=1,';      } else { par+='status=0,';      }
    if(flags&4)  { par+='resizable=1,';   } else { par+='resizable=0,';   }
    if(flags&8)  { par+='toolbar=1,';     } else { par+='toolbar=0,';     }
    if(flags&16) { par+='location=1,';    } else { par+='location=0,';    }
    if(flags&32) { par+='menubar=1,';     } else { par+='menubar=0,';     }
    if(flags&64) { par+='directories=1,'; } else { par+='directories=0,'; }
    //alert(par);
    win  = window.open(url,wname,'width=' + w + ', height=' + h + ',' + par + 'top=' + top + ',left=' + left);
    win.focus();
  }

 function wopen2(url,wname,flags,w,h) {
    var par='';
    var left = Math.floor( (screen.width - w) / 2);
    var top = Math.floor( (screen.height - h) / 2);
    if(flags&1)  { par+='scrollbars=1,';  } else { par+='scrollbars=0,';  }
    if(flags&2)  { par+='status=1,';      } else { par+='status=0,';      }
    if(flags&4)  { par+='resizable=1,';   } else { par+='resizable=0,';   }
    if(flags&8)  { par+='toolbar=1,';     } else { par+='toolbar=0,';     }
    if(flags&16) { par+='location=1,';    } else { par+='location=0,';    }
    if(flags&32) { par+='menubar=1,';     } else { par+='menubar=0,';     }
    if(flags&64) { par+='directories=1,'; } else { par+='directories=0,'; }
    //alert(par);
    win  = window.open(url,wname,'width=' + w + ', height=' + h + ',' + par + 'top=' + top + ',left=' + left);
    win.focus();
  }

  /*
function resizeFrame()
{
	
	var element = document.getElementById('tabellen');
	
	var breedte = element.offsetWidth;
	var hoogte = element.offsetHeight;

	nw_breedte = breedte + 50;
	nw_hoogte = hoogte + 100;
	
	window.resizeTo(nw_breedte,nw_hoogte)
}
*/
function resizeFrame()
{
	var element = document.getElementById('tabellen');
	
	var breedte = element.offsetWidth;
	var hoogte = element.offsetHeight;
	
	nw_breedte = breedte + 60;
	nw_hoogte = hoogte + 95;
	
	if (nw_hoogte > 700)
	{
		nw_hoogte = 700;
	}
	window.resizeTo(nw_breedte,nw_hoogte)
}


  function FixPostion(){

  document.getElementById('adres').style.display = '';
  //var nLeft = document.body.clientWidth - 100;
  var nLeft = 5;
  var nTop = document.body.scrollTop + document.body.clientHeight - document.getElementById('adres').offsetHeight;
  document.getElementById('adres').style.left = nLeft;
  document.getElementById('adres').style.top = nTop -5;
}

  function clickCB(theCB,val) {
    flgs = document.getElementById('flags');
    if(theCB.checked) { 
      flgs.value = (flgs.value|val);
    } else {
      flgs.value = (flgs.value&~val);
    }
    //alert(flgs.value);
  }

	function Change(val)
	{
		val.style.backgroundColor='#fd9c00';
	}
	
	function ChangeBack(val)
	{
		val.style.backgroundColor='';
	}
	
	function Go(val)
	{
		document.location.href = val;
	}
	
	function ShowDiv(val,dis)
	{
		if(document.getElementById(val).style.display == 'block')
		{ 
			document.getElementById(val).style.display = 'none'; 
			dis.style.textDecoration = 'none'; 
		}
		else 
		{ 
			document.getElementById(val).style.display = 'block'; 
			dis.style.textDecoration = 'Underline'; 
		}
	}
	
	function confirmLink(txt) 
	{ 
		if(confirm(txt)) { return true; } else { return false; } 
	}