function SetSelectBoxes(){
	var FormAction    = document.location;
	var SearchType    = document.getElementById("SearchType"); 
	var SearchTypeTmp = document.getElementById("SearchTypeTmp"); 
	document.getElementById("SearchTermTmp").value = document.getElementById("SearchTerm").value;
	if(SearchType.value != "-"){
		SearchTypeTmp.value = SearchType.value;
	}else{
		SearchTypeTmp.value = "";
	} 
	document.forms.SearchForm.action = FormAction;
	document.forms.SearchForm.submit();
}

function SubmitSearchForm(){
	if(document.getElementById("SearchTerm").value == ""){
		alert('Er is niets opgegeven!');
		document.getElementById("SearchTerm").submit();
		return false;
	}
	document.getElementById("SearchTermTmp").value = document.getElementById("SearchTerm").value;
	if(document.getElementById("SearchType").value != "-"){
		document.getElementById("SearchTypeTmp").value = document.getElementById("SearchType").value;
	}else{
		document.getElementById("SearchTypeTmp").value = "";
	}
	if(document.getElementById("SearchSpec").value != "-"){
		document.getElementById("SearchSpecTmp").value = document.getElementById("SearchSpec").value;
	}else{
		document.getElementById("SearchSpecTmp").value = "";
	}
	
	document.forms.SearchForm.action = "result.asp";
	document.forms.SearchForm.submit();
}