function showHideBalk(what){
  obj = document.getElementById(what);
	b = document.forms["search"].elements["showBalk"];
  if(obj.style.display == "") {
		obj.style.display = "none";
		b.value="";
  }else{
		obj.style.display = "";
		b.value=1;
  }
  
  tdObj = obj.getElementsByTagName("td");
 	for(i=0;i<tdObj.length;i++) {
 		tdObj[i].style.display = obj.style.display;
 	}
  
}


function changeServicelevel(service){
	sId = service.options[service.selectedIndex].value;
	service2 = document.forms["search"].elements["service2"];
	service2.options.length = 0;
	serDiv = document.getElementById("level2");
	if(lvl2[sId])
	{
		serDiv.style.display = "";
		
		service2.options[0] = new Option(serviceLevel2choose, 0);
		count = 1;
		for(i in lvl2[sId])
		{
			service2.options[count] = new Option(lvl2[sId][i][1], lvl2[sId][i][0]);
			count++;
		}
	}
	else
	{
		serDiv.style.display = "none";
	}
  tdObj = serDiv.getElementsByTagName("td");
  
 	for(i=0;i<tdObj.length;i++) {
 		tdObj[i].style.display = serDiv.style.display;
 	}
}


function checkZoekWoord(what) {
	if(what.value == defaultZoek) {
		what.value = "";
		what.name = "search";
	}
}

function printNewsletter(id) {
        PopUp('/print.php?xzine_id=' + id,'print',400,200,'YES','center');
}
var win=null;
function PopUp(page,name,w,h,scroll,pos){
        if(pos=="random"){LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
        if(pos=="center"){LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;}
        else if((pos!="center" && pos!="random") || pos==null){LeftPosition=0;TopPosition=20}
        settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=yes';
        win=window.open(page,name,settings);
        win.focus();
}