function centerPopUp(url, name, args){
	if ((screen.width>1024) && (screen.height>768))
	{
		var left = (screen.width-1050)/2;
		var top = (screen.height-595)/2; 
		var dims = ", width=1050, height=595, left="+left+", top="+top;
		window.open(url, name, args + dims );
	}
	else if ((screen.width>800) && (screen.height>600))
	{
		var left = (screen.width-850)/2;
		var top = (screen.height-595)/2; 
		var dims = ", width=850, height=595, left="+left+", top="+top;
		window.open(url, name, args + dims );
	}
	else if ((screen.width<=800) && (screen.height<=600))
	{
 		var dims = ", width=750, height=450, left="+20+", top="+40;
		window.open(url, name, args + dims);
 	} 
}


function popForum() {
 	centerPopUp('http://forum.twinoon.com','forum', 'menubar=no, resizable = yes, status=yes, location=no, scrollbars=yes');
}
function popTopic(url) {
 	centerPopUp(url,'forum', 'menubar=no, resizable = yes, status=yes, location=no, scrollbars=yes');
}
function popAgendaTW_Forum() {
 	centerPopUp('http://forum.twinoon.com/f10-AgendaTW.html', 'forum', 'menubar=no, resizable = yes, status=yes, location=no, scrollbars=yes');
}
function popAgendaTW_WatchDemo() {
 	window.open('http://www.twinoon.com/projets/agendaTW/demo/demo.swf', 'demo', 'width=716,height=600,menubar=no, resizable = yes, status=yes, location=no, scrollbars=yes');
}