function ThrowEvent(mainevent, mainvalue)
{
	document.systemform.event_main.value = mainevent;
	document.systemform.event_mainvalue.value = mainvalue;
	document.systemform.submit();
}

function ThrowEventConfirm(mainevent, mainvalue, confirmtext)
{
	if (confirm(confirmtext))
	{
		ThrowEvent(mainevent, mainvalue)
	}
}
	
function ThrowEventNew(mainevent, mainvalue, text, suggest)
{
    if (suggest == null)
    {
        suggest = '';
    }

	input = prompt(text, suggest);
	if (input != null)
	{	
    	if (mainvalue != '')
		{
			ThrowEvent(mainevent, mainvalue + '*' + input)
		}
		else
		{
			ThrowEvent(mainevent, input)	
		}
	}
}

function showAndHide(showLayerId, hideLayerId) 
{
    setDisplay(showLayerId, "block");
    setDisplay(hideLayerId, "none");
}

function setDisplay(whichElement, newValue)
{
    if (document.getElementById)
    {
        // this is the way the standards work
        var style2 = document.getElementById(whichElement).style;
        style2.display = newValue;
    }
    else if (document.all)
    {
        // this is the way old msie versions work
        var style2 = document.all[whichElement].style;
        style2.display = newValue;
    }
    else if (document.layers)
    {
        // this is the way nn4 works
        var style2 = document.layers[whichElement].style;
        style2.display = newValue;
    }
}


function open_window ( my_url, name)
{
	editwin_win = window.open(my_url,name);
	editwin_win.focus();
	editwin_win.opener = self;
}
function open_editwin ( my_url, name, WinWidth, WinHeight )
{
	if (WinWidth == null) WinWidth = '500';
	if (WinHeight == null) WinHeight = '500';
	
	var editwin = "";    
	editwin = editwin + "width=" + WinWidth;
	editwin = editwin + ",height=" + WinHeight;
	editwin = editwin + ",resizable=yes";
	editwin = editwin + ",scrollbars=yes";
	editwin = editwin + ",menubar=no";
	editwin = editwin + ",toolbar=no";
	editwin = editwin + ",directories=no";
	editwin = editwin + ",location=no";
	editwin = editwin + ",status=no";
	editwin = editwin + ",top=20";
	editwin = editwin + ",left=250";
	editwin_win = window.open(my_url,name,editwin);
	editwin_win.focus();
	editwin_win.opener = self;
}