var pwisIE4      = (typeof(document.all) != 'undefined'
                  && parseInt(navigator.appVersion) >= 4
                  && typeof(window.opera) == 'undefined')
               ? 1 : 0;

function pwShowObject(obj)
{
if(pwisIE4)
{
	if( document.all(obj) )	document.all(obj).style.display="block";
}
}
function pwHideObject(obj)
{
if(pwisIE4)
{
	if( document.all(obj) ) document.all(obj).style.display="none";
}
}

function pwDisplayAll(cName, display)
{
for(i=0,n=document.all.length;i < n;i++)
{
if (document.all[i].className.indexOf(cName) !=-1)
{
document.all[i].style.display = display;
}
}
}

function pwCheckAll(theForm, cName, check)
{
for(i=0,n=theForm.elements.length;i < n;i++)
{
if (theForm.elements[i].className.indexOf(cName) !=-1)
{
theForm.elements[i].checked = check;
}
}
}

function pwCheckCount(theForm, cName, check)
{
var nb=0;
for(i=0,n=theForm.elements.length;i < n;i++)
{
if (theForm.elements[i].className.indexOf(cName) !=-1)
{
if( theForm.elements[i].checked == check ) nb++;
}
}
return nb;
}

function pwGetFirstCheckValue(theForm, cName)
{
for(i=0,n=theForm.elements.length;i < n;i++)
{
if(theForm.elements[i].className.indexOf(cName) !=-1 && theForm.elements[i].checked == true )
{
	return theForm.elements[i].value;
}
}
return false;
}

function pwOpenDetail(filename,targetname,w,h)
{
window.open(filename,targetname,'status=no,location=no,scrollbars=yes,resize=no,directories=no,toolbar=no,menubar=no,copyhistory=yes,width='+w+',height='+h);
return false;
}

function pwChangeLocation(myfield,target)
{
var formindex=myfield.selectedIndex;
if(myfield.value != ""){
target.location=myfield.options[formindex].value;
return true;
}
return (false);
}