function popUp(URL){day=new Date();id=day.getTime();eval("page"+id+" = window.open(URL, '"+id+"', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=520,height=410');");}

function check_contactform()
{
	if(document.editForm.elements['onderwerp'].value=='')
	{
		document.editForm.elements['onderwerp'].style.backgroundColor='#DCA3B4';
		document.editForm.elements['onderwerp'].focus();
		return false;
	}
	else if(document.editForm.elements['naam'].value=='')
	{
		document.editForm.elements['naam'].style.backgroundColor='#DCA3B4';
		document.editForm.elements['naam'].focus();
		return false;
	}
	else if(document.editForm.elements['email'].value=='')
	{
		document.editForm.elements['email'].style.backgroundColor='#DCA3B4';
		document.editForm.elements['email'].focus();
		return false;
	}
	else if(document.editForm.elements['bericht'].value=='')
	{
		document.editForm.elements['bericht'].style.backgroundColor='#DCA3B4';
		document.editForm.elements['bericht'].focus();
		return false;
	}
	else if(document.editForm.elements['code'].value=='')
	{
		document.editForm.elements['code'].style.backgroundColor='#DCA3B4';
		document.editForm.elements['code'].focus();
		return false;
	}
}

function check_land()
{
	if(document.editForm.elements['land'].value=='')
	{
		document.editForm.elements['land'].style.backgroundColor='#DCA3B4';
		document.editForm.elements['land'].focus();
		return false;
	}
}

function check_info()
{
if(document.editFormInfo.elements['jaar'].value=='0')
	{
		document.editFormInfo.elements['jaar'].style.backgroundColor='#DCA3B4';
		document.editFormInfo.elements['jaar'].focus();
		return false;
	}
}