function go2URL(address,target)
{
	window.open(address,target);
}
function newWindow(address)
{
	var maxW = screen.width;
	var maxH = screen.height;
	var w = 800;
	var h = 600;
	var _top = Math.floor((maxH - h) / 2);
	var _left = Math.floor((maxW - w) / 2);
	
	var win = window.open(address,'doiW',"toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes,copyhistory=yes,width="+w+",height="+h);
	win.moveTo(_left,_top);
	win.focus();
}
var win = null; 
function oW(url) 
{         
  win = open(url, "orderwindow", "scrollbars=1,width=640,height=350,resizable=yes");win.focus();         
     if (win != null && win.opener == null) 
       {
       win.opener = self;         
       } 
} 
function knip(docid)
{
  foo = new Image();
  foo.src = 'clippings.do?action=add&articleId='+docid;
  alert ('Dit artikel is in uw knipselmap geplaatst!');
}
function Navigate(View, Next) {
	var Articles = new Array()
function getId(URL) {
	var ID = ''
	relURL = URL.substr(URL.lastIndexOf('?'))
	ID=relURL.substr(0,relURL.lastIndexOf('\''))
	return ID
}
function newURL(URL, ID) {
	qm = URL.replace(/!/g,'?').indexOf('?')
	if (qm > -1) {
		return ID + URL.substr(qm)
	} else {
		return ID
	}

}
	ID = location.search
		
	if (View) {
		if (View.all) {
			Articles=View.all.Article
		} else {
			Links = View.links
			for (i = 0; i < Links.length; i++) {
				if (Links[i].name=='Article') {
					Articles.push(Links[i])
				}
			}
		}
		found=false
		for (i=0; i<Articles.length; i++) {
			if (getId(Articles[i].href)==ID) {
				found=true
				break
			}
		}
		if (found) {
			if (Next && (i+1<Articles.length)) {
				i++
			} else {
				if (!Next && i>0) {
					i--
				}
			}
		} else {
			i=0
		}			
		location.search = getId(Articles[i].href)		
	}
}
// CALCULATE mainTableDIV height  100%
   function setH()
   {
      if (document.documentElement && document.documentElement.clientHeight){
        	H=document.documentElement.clientHeight;	
   	} else{
        	H=document.body.clientHeight;

	}

	obj=document.getElementById('mainTable')
	tabH=Math.max(obj.offsetHeight,H)-obj.offsetTop-65; // 51 pixel korter
	document.getElementById('mainTableDIV').style.height=tabH+'px';
   }
function checkthemall(form,obj,x)
{
   var retArr = new Array();
   var lastElement = 0;
   for (var i=0;i<form.elements.length;i++)
   {
    var e = form.elements[i];  
    if (e.name != x)
      dummy = null;
    else
    {
      e.checked = obj.checked;
      retArr.length = lastElement;
      retArr[lastElement] = e.value;
      lastElement++;
    }
   }
   for (var i=0;i<form.elements.length;i++)
   {
    var e = form.elements[i];  
    var found=false;
    var j=0;
    while (!found && j<retArr.length)
    {
	if (e.name == retArr[j])
	{
		e.checked=obj.checked;
		found=true;
	}
	j++;
    }
   }
}

function validatenieuwsbrief()  
{  var docsel = 0 ;   
   for (var i=0;i<document.newsletterform.elements.length;i++)
    {
	    var e = document.newsletterform.elements[i];
	    if (e.name == "clippingIds")
		    if (e.checked == true) 
		       docsel++;    
    }
    if (docsel < 1) {       
       alert ('U dient eerst artikelen te selecteren!!');
       return false;
    }
    else
    {    
       return true;
    }
}