function InitField(field)
{
	field.value="";
}

function open_page(my_url,width,height)
{
	window.open(my_url,'zoom','menubar=no, status=no, scrollbars=yes, menubar=no,width='+ width+ ', height='+height);
}

function Affichemessage(fenetre)
{
	$(fenetre).fadeIn("slow");
}
function Cachemessage(fenetre)
{
	$(fenetre).fadeOut("slow");	
}

function Videmessage(fenetre)
{
	$(fenetre).html("");
}
function Addmessage(fenetre, message)
{
	$(fenetre).html($(fenetre).html()+"<br><font color='red'>"+message);
}
function Show(x)
{
	document.getElementById(x).style.visibility='visible';
}
function Hide(x)
{
	 document.getElementById(x).style.visibility='hidden';
}
function Opacity(x,o)
{
	document.getElementById(x).style.opacity=o;
}