//**********************************************************************
//  BEGIN MODAL DIALOG CODE
//***********************************************************************/
// Global for browser version branching.
var Nav4 = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4));

// One object tracks the current modal dialog opened from this window.
var dialogWin = new Object();

// Generate a modal dialog.
// Parameters:
//    url -- URL of the page/frameset to be loaded into dialog
//    width -- pixel width of the dialog window
//    height -- pixel height of the dialog window
//    resizable -- can user resize dialog window (0/1)
//    returnFunc -- [optional] reference to the function (on this page)
//                  that is to act on the data returned from the dialog
//    args -- [optional] any data you need to pass to the dialog
function openDGDialog(url, width, height, resizable, returnFunc, args) {
	if (!dialogWin.win || (dialogWin.win && dialogWin.win.closed)) {
		// Initialize properties of the modal dialog object.
        if(returnFunc) {
    		dialogWin.returnFunc = returnFunc;
        } else {//lets take default value
    		dialogWin.returnFunc = setPrefs;
        }
		dialogWin.returnedValue = "";
		dialogWin.args = args;
		dialogWin.url = url;
		dialogWin.width = width;
		dialogWin.height = height;
		dialogWin.resizable = resizable;
		// Keep name unique so Navigator doesn't overwrite an existing dialog.
		dialogWin.name = (new Date()).getSeconds().toString();
		// Assemble window attributes and try to center the dialog.
		if (Nav4) {
			// Center on the main window.
			dialogWin.left = window.screenX + 
			   ((window.outerWidth - dialogWin.width) / 2);
			dialogWin.top = window.screenY + 
			   ((window.outerHeight - dialogWin.height) / 2);
			var attr = "screenX=" + dialogWin.left + 
			   ",screenY=" + dialogWin.top + ",width=" + 
			   dialogWin.width + ",height=" + dialogWin.height;
		} else {
			// The best we can do is center in screen.
			dialogWin.left = (screen.width - dialogWin.width) / 2;
			dialogWin.top = (screen.height - dialogWin.height) / 2;
			var attr = "left=" + dialogWin.left + ",top=" + 
			   dialogWin.top + ",width=" + dialogWin.width + 
			   ",height=" + dialogWin.height;
		}
		if(dialogWin.resizable){
            attr = attr + ",resizable=yes";
        }else{
            attr = attr + ",resizable=no";
        }
         attr = attr + ",scrollbars=1";//scrollbar juurde. lolli IE-ga kahjuks alati nähtav
		// Generate the dialog and make sure it has focus.
//        alert(attr);
		dialogWin.win=window.open(dialogWin.url, dialogWin.name, attr);
		dialogWin.win.focus();
	} else {
		dialogWin.win.focus();
	}
}

// Event handler to inhibit Navigator form element 
// and IE link activity when dialog window is active.
function deadend() {
	if (dialogWin.win && !dialogWin.win.closed) {
		dialogWin.win.focus();
		return false;
	}
}

// Since links in IE4 cannot be disabled, preserve 
// IE link onclick event handlers while they're "disabled."
// Restore when re-enabling the main window.
var IELinkClicks;

// Disable form elements and links in all frames for IE.
function disableForms() {
	IELinkClicks = new Array();
	for (var h = 0; h < frames.length; h++) {
		for (var i = 0; i < frames[h].document.forms.length; i++) {
			for (var j = 0; j < frames[h].document.forms[i].elements.length; j++) {
				frames[h].document.forms[i].elements[j].disabled = true;
			}
		}
		IELinkClicks[h] = new Array();
		for (i = 0; i < frames[h].document.links.length; i++) {
			IELinkClicks[h][i] = frames[h].document.links[i].onclick;
			frames[h].document.links[i].onclick = deadend;
		}
		frames[h].window.onfocus = checkModal;
    	frames[h].document.onclick = checkModal;
	}
}

// Restore IE form elements and links to normal behavior.
function enableForms() {
	for (var h = 0; h < frames.length; h++) {
		for (var i = 0; i < frames[h].document.forms.length; i++) {
			for (var j = 0; j < frames[h].document.forms[i].elements.length; j++) {
				frames[h].document.forms[i].elements[j].disabled = false;
			}
		}
		for (i = 0; i < frames[h].document.links.length; i++) {
			frames[h].document.links[i].onclick = IELinkClicks[h][i];
		}
	}
}

// Grab all Navigator events that might get through to form
// elements while dialog is open. For IE, disable form elements.
function blockEvents() {
	if (Nav4) {
		window.captureEvents(Event.CLICK | Event.MOUSEDOWN | Event.MOUSEUP | Event.FOCUS);
		window.onclick = deadend;
	} else {
		disableForms();
	}
	window.onfocus = checkModal;
}
// As dialog closes, restore the main window's original
// event mechanisms.
function unblockEvents() {
	if (Nav4) {
		window.releaseEvents(Event.CLICK | Event.MOUSEDOWN | Event.MOUSEUP | Event.FOCUS);
		window.onclick = null;
		window.onfocus = null;
	} else {
		enableForms();
	}
}

// Invoked by onFocus event handler of EVERY frame,
// return focus to dialog window if it's open.
function checkModal() {
	setTimeout("finishChecking()", 50);
	return true;
}

function finishChecking() {
	if (dialogWin.win && !dialogWin.win.closed) {
		dialogWin.win.focus();
	}
}

// fn, mis k2ivitatakse peale dialoogiaknas OK vajutamist
// ei kasuta reaalselt
function setPrefs() {
    // We're just displaying the returned value in a text box.
    //document.returned.searchURL.value = dialogWin.returnedValue;
    alert('Hellou, we are back!!');
}
//**************************
//  END MODAL DIALOG CODE
//**************************/