function checkAll(field)
{
    for (i = 0; i < field.length; i++)
	field[i].checked = true ;
}

function uncheckAll(field)
{
    for (i = 0; i < field.length; i++)
	field[i].checked = false ;
}
function myWindowOpen(url, title)
{
    var myScrollbars = 'yes';
    var myMenubar = 'yes';
    var myHeight = 380;
    var myWidth = 540;
    var myResizable = 'no';
    var myToolbar = 'no';
    var myLocation = 'no';
    var myStatus = 'no';
           
    var myWindow = window.open(url,title,'scrollbars='+myScrollbars+',menubar='+myMenubar+',height='+myHeight+',width='+myWidth+',resizable='+myResizable+',toolbar='+myToolbar+',location='+myLocation+',status='+myStatus);
}   
function breakout()
{
    if (top.location != location)
    {
        top.location.href = document.location.href;
    }
}