// main JavaScript DC&C: alg.functies, menu write, preloads...
// Per 2001-06-23


// Escape from frames-function
function EscapeFrameTrap(){
  if (top.location != location){
  	top.location.href=document.location.href;
	}
}

// preloadImages voor menu-roll-overs
if( document.images ){
	// preload home-button en rollover
	var logo=new Image(105,50);
	logo.src="pics/nav/logo.gif";
	var logoover=new Image(105,50);
	logoover.src="pics/nav/logoover.gif";
	// preload rest van navigatiebuttons + rollovers
	var nav=new Array(4);
	var navO=new Array(4);
	var navI=new Array(4);
	for( i=0;i<4;i++ ){
		nav[i]=new Image(90,20);
		nav[i].src="pics/nav/nav"+i+".gif";
		navO[i]=new Image(90,20);
		navO[i].src="pics/nav/nav"+i+"over.gif";
		navI[i]=new Image(90,20);
		navI[i].src="pics/nav/nav"+i+"in.gif";
		}
}

// maak recordobject voor navigatielinks
function navlink(url,titel){
	this.url = url;
	this.titel = titel;
}

// maak array voor navigatielinks
var navlinx = new Array(4);
navlinx[0]=new navlink("wiewat.html","wie, wat");
navlinx[1]=new navlink("producten.php","producten");
navlinx[2]=new navlink("referenties.php","referenties");
navlinx[3]=new navlink("contact.html","contact");

// begin navigatiebalk
function writenavbar(pushed){
	// DC&C logo als home-button
	document.write('<a onMouseOver="l.src=logoover.src;" onMouseOut="l.src=logo.src;" href="index.html"><img name="l" src="pics/nav/logo.gif" border="0" width="105" height="50"></a><br><br>');
	for(i=0;i<4;i++){
		if(i==pushed){
			document.write('<img name="n'+i+'" src="pics/nav/nav'+i+'in.gif" border="0" width="90" height="20"><br>');
		}else{
			document.write('<a onMouseOver="n' +i+ '.src=navO[' +i+ '].src" onMouseOut="n' +i+ '.src=nav[' +i+ '].src" onClick="n' +i+ '.src=navI[' +i+ '].src" href="' +navlinx[i].url+ '"><img name="n'+i+'" src="pics/nav/nav'+i+'.gif" border="0" width="90" height="20"></a><br>');
		}
	}
	document.write("<br><a class=\"CYPlogo\" href=\"http://www.cyp.be\" target=\"_blank\">21st. century CYP</a>");
}
// eind navigatiebalk

// popupwin voor netwerkonderhoud
function popup(){
	var windowprops = "toolbar=0,location=0,directories=0,menuBar=0,scrollbars=0,resizable=0,width=400,height=350,top=0,left=0";
	var p=window.open( "popup1.html", "", windowprops );
	p.focus();
}