/* Javascript Functies
 * Gemaakt door Edwin Mooijaart
 * 18-06-07
 */
/*
function obj(menu)
	{
	return (navigator.appName == "Microsoft Internet Explorer")?this[menu]:document.getElementById(menu);
}

function HideDiv(treepart,hide)
	{
	if (hide == 0)
		{
		this.obj(treepart).style.position="";
		this.obj(treepart).style.visibility="";
		}
		else
		{
		this.obj(treepart).style.position="absolute";
		this.obj(treepart).style.visibility="hidden";
	}
}

function togglevisibleNoIMG(treepart)
	{
	if (this.obj(treepart).style.visibility == "hidden")
		{
		this.obj(treepart).style.position="";
		this.obj(treepart).style.visibility="";
		}
		else
		{
		this.obj(treepart).style.position="absolute";
		this.obj(treepart).style.visibility="hidden";
	}
}

//Swap image
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
*/
function CheckSearchForm(name)
	{
	var error = 0;
	var trefwoord=document.forms[name].q.value;

	if (trefwoord.length  < 3) 
		{
		var vraag = window.alert('Het trefwoord moet uit minimaal 3 tekens bestaan.');
		document.forms[name].q.focus();
		return false;
		error = 1;
	}
	
	if (trefwoord == "" || trefwoord == "zoeken op de site" ) 
		{
		window.alert("Vul een Trefwoord in.");
		document.forms[name].q.focus();
		return false;
		error = 1;
	}
	
	if (error == 0)
		{
		trefwoord = trefwoord.replace(/ /g, "+")
		trefwoord = trefwoord.replace('/', "|")
		window.location.href="/?q="+trefwoord;	
	}
}

var win = null;
function NewWindow(mypage,myname,w,h,scroll)
	{
	//onClick="NewWindow(this.href,'name','500','500','no');return false"
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings 	= 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable=no'
	win = window.open(mypage,myname,settings)
}



function AddPrijsvraagForm()
	{
	var error = 0;
	var error_msg = "De velden met een uitroepteken zijn verplicht.\n\n";

	if (document.form1.winnen.value == "" ) 
		{
		error_msg += "\t- 'Wat kun je winnen' is niet ingevuld\n";
		error = 1;
		document.form1.winnen.style.backgroundColor='#FF0000';
		document.form1.winnen.style.color='#FFFFFF';
	}
	else
		{
		document.form1.winnen.style.backgroundColor='';
		document.form1.winnen.style.color='';		
	}
	
	if (document.form1.antwoord.value == "" ) 
		{
		error_msg += "\t- 'Wat moet je doen of antwoord' is niet ingevuld\n";
		error = 1;
		document.form1.antwoord.style.backgroundColor='#FF0000';
		document.form1.antwoord.style.color='#FFFFFF';
	}
	else
		{
		document.form1.antwoord.style.backgroundColor='';
		document.form1.antwoord.style.color='';		
	}
	
	var website=document.form1.wwwadres.value;	
	if (website == ""  || website.length  < 10) 
		{
		error_msg += "\t- 'Wat is het website-adres' is niet goed ingevuld\n";
		error = 1;
		document.form1.wwwadres.style.backgroundColor='#FF0000';
		document.form1.wwwadres.style.color='#FFFFFF';
		}
		else
		{
		document.form1.wwwadres.style.backgroundColor='';
		document.form1.wwwadres.style.color='';		
	}
	
	if (document.form1.naam.value == "" ) 
		{
		error_msg += "\t- 'Contactpersoon' is niet ingevuld\n";
		error = 1;
		document.form1.naam.style.backgroundColor='#FF0000';
		document.form1.naam.style.color='#FFFFFF';
	}
	else
		{
		document.form1.naam.style.backgroundColor='';
		document.form1.naam.style.color='';		
	}

	var email=document.form1.email.value;	
	if (email == ""  || email.length  < 10) 
		{
		error_msg += "\t- 'Email' is niet goed ingevuld\n";
		error = 1;
		document.form1.email.style.backgroundColor='#FF0000';
		document.form1.email.style.color='#FFFFFF';
		}
		else
		{
		document.form1.email.style.backgroundColor='';
		document.form1.email.style.color='';		
	}

	var Pass=document.form1.Pass.value;	
	if (Pass.length != 6) 
		{
		error_msg += "\t- De code is niet goed ingevuld\n";
		error = 1;
		document.form1.Pass.style.backgroundColor='#FF0000';
		document.form1.Pass.style.color='#FFFFFF';
		}
		else
		{
		document.form1.Pass.style.backgroundColor='';
		document.form1.Pass.style.color='';		
	}
	
	
	if (error ==1)
		{
		window.alert(error_msg);	
		return false;
		}
		else 
		{
		//return false;
		document.form1.Submit.disabled=true
		document.form1.Submit.value='Bezig met opslaan'
		document.form1.submit(); 
	}
}