//PRISMA 2.0 S.r.l. Copyright 2001

function openWCC(id_user,id_tutor,proxy){
	var dx=261;
	var dy=470;
	var borderx=14;
	var bordery=31;
	var px=(top.window.screen.width - dx-borderx)/2;
	var py=(top.window.screen.height - dy-bordery)/2;
	if (py<16) py=py*2-32;		//barra di windows
	if (py<0) py=0;
	if (px<0) px=0; 
	var strUrl;
	strUrl="http://212.131.137.185/slxweb/eldemo/el_wcc.html?proxy=" + proxy + "&amp;id_user=" + id_user + "&amp;id_tutor=" + id_tutor;
	var opt='height='+dy+',width='+dx+',resizable=yes,scrollbars=yes,screenX='+px+',screenY='+py+', top='+py+', left='+px;
	window.open(strUrl, "_blank", opt); 
}
function openTutorChat(id_user,id_tutor){
	var dx=780;
	var dy=580;
	var borderx=14;
	var bordery=31;
	var px=(top.window.screen.width - dx-borderx)/2;
	var py=(top.window.screen.height - dy-bordery)/2;
	if (py<16) py=py*2-32;		//barra di windows
	if (py<0) py=0;
	if (px<0) px=0; 
	var strUrl;
	strUrl="http://212.131.137.185/slxweb/eldemo/tutor.html?id_user=S" + id_user + "&amp;id_tutor=" + id_tutor;
	var opt='height='+dy+',width='+dx+',resizable=yes,scrollbars=yes,screenX='+px+',screenY='+py+', top='+py+', left='+px;
	window.open(strUrl, "_blank", opt); 
}
function openClassroomChat(id_user,id_site,id_room){
	var dx=780;
	var dy=580;
	var borderx=14;
	var bordery=31;
	var px=(top.window.screen.width - dx-borderx)/2;
	var py=(top.window.screen.height - dy-bordery)/2;
	if (py<16) py=py*2-32;		//barra di windows
	if (py<0) py=0;
	if (px<0) px=0; 
	var strUrl;
	strUrl="http://212.131.137.185/slxweb/eldemo/chat.html?id_user=S" + id_user + "&amp;id_site=" + id_site + "&amp;id_room=" + id_room;
	var opt='height='+dy+',width='+dx+',resizable=yes,scrollbars=yes,screenX='+px+',screenY='+py+', top='+py+', left='+px;
	window.open(strUrl, "_blank", opt); 
}