var imgPlus = new Image();
var imgMinus = new Image();

imgPlus.src = "images/plus.gif";
imgMinus.src = "images/minus.gif";

    function ToggleGroup(id)
    {
        var oTbody = $get("tbody" + id);
        var oImg = $get("img" + id);

        if (oTbody) 
        {
		    if (oTbody.style.display == "block")
		    {	
			    oImg.src = imgPlus.src;
			    oTbody.style.display = "none";
		    }
		    else
		    {
			    oImg.src = imgMinus.src;
			    oTbody.style.display = "block";
		    }
        }
    }


    function setLijstTab(tab, hiddenFieldID, TekstFieldID) 
    {
        var hiddenField = $get(hiddenFieldID);
        if (hiddenField) 
        {
            hiddenField.value = tab.id;
            __doPostBack(hiddenFieldID, tab.id);
        }


    }

    function lijst_Click(documentId) 
    {
        var date = new Date();
        
        window.open("DocumentPopup.aspx?id=" + documentId, "documentPopup" + date.getTime(), "status=1,width=800,height=600,resizable=1", "");
    }