function showLayer(whichdiv){
	if (document.getElementById(whichdiv.id+"_ov").style.display == ''){
		document.getElementById(whichdiv.id+"_ov").style.display = 'none';
	}else {
		document.getElementById(whichdiv.id+"_ov").style.display = '';
	}
	
}
function checkForm(){
	tel=0;
	var color= '#AA0000';
	var normalcolor='#656565';
	if (document.getElementById("naam").value =='') {				
		tel++;		
		document.getElementById("naam").className = 'txtInputBigWrong';
	} else	{ 
		document.getElementById("naam").className = 'txtInputBig';
	}
	if (document.getElementById("telefoon").value =='') {				
		tel++;		
		document.getElementById("telefoon").className = 'txtInputBigWrong';
	} else	{ 
		document.getElementById("telefoon").className = 'txtInputBig';
	}
	if (document.getElementById("email").value =='' || !checkEmail(document.getElementById("email").value)) {
		tel++;		
		document.getElementById("email").className = 'txtInputBigWrong';		
	} else	{ 
		document.getElementById("email").className = 'txtInputBig';
	}
	if(tel==0){					
		return true;
	} else {
		document.getElementById("formMelding").innerHTML = '<b>* Vul aub. alle verplichte velden in [' + tel + ']</b>';
		document.getElementById("formMelding").style.display = '';
		return false;
	}	
}
function checkOrder(){
	tel=0;
	check=false;
	if (document.getElementById("naam").value =='') {				
		tel++;		
		document.getElementById("naam").className = 'txtInputBigWrong';
	} else	{ 
		document.getElementById("naam").className = 'txtInputBig';
	}
	folder = document.getElementsByName("folder[]");
	for (i=0;i<folder.length;i++){
		if (folder[i].checked)
		{
			check=true;
		}
	}
	if (!check) {
		document.getElementById("folders").style.border= "1px solid #CC0000";
	} else {
		document.getElementById("folders").style.border= "0";
	}
	if (document.getElementById("adres").value =='') {				
		tel++;		
		document.getElementById("adres").className = 'txtInputBigWrong';
	} else	{ 
		document.getElementById("adres").className = 'txtInputBig';
	}
	if (document.getElementById("postcode").value =='') {				
		tel++;		
		document.getElementById("postcode").className = 'txtInputLittleWrong';
	} else	{ 
		document.getElementById("postcode").className = 'txtInputLittle';
	}
	if (document.getElementById("plaats").value =='') {				
		tel++;		
		document.getElementById("plaats").className = 'txtInputNormalWrong';
	} else	{ 
		document.getElementById("plaats").className = 'txtInputNormal';
	}
	if (document.getElementById("email").value =='' || !checkEmail(document.getElementById("email").value)) {
		tel++;		
		document.getElementById("email").className = 'txtInputBigWrong';		
	} else	{ 
		document.getElementById("email").className = 'txtInputBig';
	}
	if(tel==0){					
		return true;
	} else {
		document.getElementById("formMelding").innerHTML = '<b>* Vul aub. alle verplichte velden in [' + tel + ']</b>';
		document.getElementById("formMelding").style.display = '';
		return false;
	}	
}
function checkEmail(str){
	var testresults = false;
	//uitleg filter: minimaal 1 letter voor @ ; min 1 max 66 letters na @ ; min 2 max 6 letters na punt.
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (filter.test(str)){
		testresults=true;
	}else{
		testresults=false;
	}
	return (testresults);
}	
function changeMainPicture(sSource) {
	document.getElementById("mainImage").src = sSource;
	//.replace(/\/medium\//gi, "/large/");
	sSource = sSource.replace(/\/medium\//gi, "\/large\/");
	document.getElementById("fullImage").href = sSource;
}

function changePictureURL(sSource) {
	var myString = new String();
	myString = document.getElementById("mainImage").src;
	return (myString.replace(/\/medium\//gi, "\/large\/"));
}
function closeVideo(){
	document.getElementById("videoWindow").style.display = 'none';
	document.getElementById("flashVideoFile").innerHTML = '';
}
function startVideo(){
	UFO.create(Film, "flashVideoFile");
	document.getElementById("videoWindow").style.display = '';
	document.getElementById("videoWindow").style.top = (curPagePos()+150) + 'px';
}
function curPagePos() {
	  var scrOfY = 0;
	  if( typeof( window.pageYOffset ) == 'number' ) {
		//Netscape compliant
		scrOfY = window.pageYOffset;
	  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
		//DOM compliant
		scrOfY = document.body.scrollTop;
	  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
		//IE6 standards compliant mode
		scrOfY = document.documentElement.scrollTop;
	  }
	  return  scrOfY ;
	}