//var do_not_hilite = location.search.substring(1,location.search.length);
//var imgDocID;
//var imgObjName;
var d=document;

function preloader() {if(d.images){
	if(!d.loaderarray) { d.loaderarray=new Array(); }
	var i,j=d.loaderarray.length,a=preloader.arguments;
	for(i=0; i<a.length; i++) { if (a[i].indexOf("#")!=0) { d.loaderarray[j]=new Image;
	d.loaderarray[j++].src= 'navigatie/'+a[i]; } }
}}

function preload() {
	for ( i=1;i<=2;i++ ) {
		preloader('home'+i+'.gif','aanbod'+i+'.gif','diensten'+i+'.gif','overterpstra'+i+'.gif','contact'+i+'.gif');
	}
}

txt_home          = 'Home';
txt_aanbod        = 'Actueel aanbod';
txt_diensten      = 'Diensten';
txt_over_terpstra = 'Over Terpstra';
txt_contact       = 'Contact';

zoekuit=0;

var nav          = '';
var subnav       = '';
var tijd         = 500;
var nav_img     ='';
var do_not_hilite='';
function hiLite(imgDocID, imgObjName) {
	if ( zoekuit==1 && ie5up) {
		zoek_laag= eval(doc+'\'zoekbox\''+sty);
		if ( imgObjName == 2) { zoek_laag.visibility = 'hidden' }
	}
	nav_img= eval(doc+'\''+imgDocID+'\''+htm);// if ( ns6up ) { nav_laag= document }
//alert(imgDocID+' '+nav_img+' '+doc+'\''+imgDocID+'\''+htm);
//  if (do_not_hilite != imgDocID && do_not_hilite.substr(0,1) != imgDocID) {
	if ( imgObjName == 2) { if (typeof(subnav.visibility)!='undefined'){
														subnav.visibility = 'hidden';
														if ( nav != do_not_hilite ) { eval(doc+'\''+nav+'\''+htm).src = "navigatie/"+nav+"1.gif" }
														clearTimeout(vertraag);
													}
													nav = imgDocID;
													window.status = eval('txt_' + imgDocID) + ' .....';
	                        nav_img.src = "navigatie/"+imgDocID+imgObjName+".gif";
	                        subnav = eval(doc+'\'nav_'+imgDocID+'\''+sty);
													subnav.visibility = 'visible';
											 	}
	else                  { vertragen() }
}
function vertragen() { vertraag = window.setTimeout('window.status=\'\';subnav.visibility=\'hidden\';if (typeof(zoek_laag)!=\'undefined\'){zoek_laag.visibility=\'visible\'};if(nav!=do_not_hilite){nav_img.src="navigatie/"+nav+"1.gif"}',tijd); }

function Current(imgDocID) {
//	nav_laag= eval(doc+'\'nav\''+htm);// if ( ns6up ) { nav_laag= document }
//	nav_img= eval(doc+'\''+imgDocID+'\''+htm);// if ( ns6up ) { nav_laag= document }
	if (document.getElementById(imgDocID)) {
		document.getElementById(imgDocID).src = "navigatie/"+imgDocID+"2.gif"; // images[imgDocID]
	}
  do_not_hilite = imgDocID;
}

function select_zoek(){
	if ( location.search.indexOf('&') == -1 ) { groep=location.search.substring(1,location.search.length) }
	else                                      { groep=location.search.substring(1,location.search.indexOf('&')) }
	toon = document.zoekform.toon.options[document.zoekform.toon.selectedIndex].value;
	if(groep=='-zakelijk'){	sort = '' }
	else                  { sort = document.zoekform.sort.options[document.zoekform.sort.selectedIndex].value	}
	window.location= 'aanbod.html?'+groep+'&'+toon+'-'+sort;
}
function select_jump(targ,selObj){
	eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
}

function Opener(locatie){
	breedte = 630; hoogte = 475; vpos = 20;
//	if (screen.height > 500) {hoogte+=40} else {vpos-=18}
	var Terpstra_popup = window.open(locatie, "Terpstra_popup", "width="+breedte+",height="+hoogte+",scrollbars=yes,resizable=yes");
//	Terpstra_popup.resizeTo(breedte,hoogte);
//	Terpstra_popup.moveTo(20,vpos);
	Terpstra_popup.focus();
}