function getClientSize()
{
return window.innerHeight || document.body.clientHeight;
}

function setsemistre(semistre){
var t1,t2;
if (semistre==1) {
 t1='tabsem1'; t2='tabsem2';
}
else if(semistre==2) {
  t1='tabsem2'; t2='tabsem1';
}
else return;
document.getElementById(t2).style.display = "none";
document.getElementById(t1).style.display = "table";

}

function setexamprof(exam){
var t1,t2,t3,t4,t5,t6,t7,t8;
if (exam==10) {
 t1='exam10'; t2='exam11';
}
else if(exam==11) {
 t1='exam11'; t2='exam10';
}
else return;
document.getElementById(t2).style.display = "none";
document.getElementById(t1).style.display = "table";
}
function opendoc(doc){
var file;
var test=document.getElementById("extswf").checked;
file=(test==true)?doc+".swf":doc+".pdf";
document.getElementById("cadre").src="get.php?id="+file;
}
function openlabo(doc){
var file=doc+".swf";
 document.getElementById("cadrelabo").src="get.php?id="+file;
}

function open_doc(doc,soudoss,locatphp){
var file;
var test=document.getElementById("extswf").checked;
file=(test==true)?doc+".swf":doc+".pdf";
document.getElementById("cadre").src=locatphp+"get.php?id="+file+"&sd="+soudoss;
}

function open_doc_self(doc,soudoss,locatphp){
 window.open(locatphp+"get.php?id="+doc+"&sd="+soudoss,"_self");
}


function open_labo(doc,soudoss,locatphp){
var  file=doc+".swf";
 document.getElementById("cadrelabo").src=locatphp+"get.php?id="+file+"&sd="+soudoss;
}

function openfile(doc){
 window.open("get.php?id="+doc,"_top");
}





function updatenc(){
var obj=document.getElementById("nbconnect");
if (obj!=undefined) {
	var xhr_object = null;
	if(window.XMLHttpRequest) // Firefox
		xhr_object = new XMLHttpRequest();
	else if(window.ActiveXObject) // Internet Explorer
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else { // XMLHttpRequest non support par le navigateur
		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
		return;
	}
	xhr_object.open("GET", "nc.inc.php?get=yes&anticache="+new Date().getTime(), true);

	xhr_object.onreadystatechange = function anonymous() {
		if(xhr_object.readyState == 4) {
    	 if (xhr_object.status != 200) { /*window.setTimeout("updatenc()",300000);alert("connexion impossible !")*/ ;return 0;};
          obj.innerHTML=xhr_object.responseText;
		}
	}
	xhr_object.send(null);
};
window.setTimeout("updatenc()",300000);
}

/*function updatepage(){
var site="http://www.naja7math.com/";
	var xhr_object = null;
	if(window.XMLHttpRequest) // Firefox
		xhr_object = new XMLHttpRequest();
	else if(window.ActiveXObject) // Internet Explorer
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else { // XMLHttpRequest non support par le navigateur
		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
		return;
	}
	xhr_object.open("GET", site+"nc.inc.php?get=update&anticache="+new Date().getTime(), true);
	xhr_object.send(null);
window.setTimeout("updatepage()",300000);
}*/

function add_favoris() {
var msg='لإضافته للمفضلة ctrl+D  اظغط';
if (window.sidebar) { // Mozilla Firefox 
window.sidebar.addPanel("رياضيات النجاح","http://www.naja7math.com","");
} else if( window.external ) { // IE 
  if(window.ActiveXObject) {
  //ie
  window.external.AddFavorite("http://www.naja7math.com","رياضيات النجاح");
  } else {//chrome
  alert(msg);
  }
} else if(window.opera && window.print) { // Opera
  return true; }
 else { //safri
 alert(msg); }
}

function cntct_me(){
var f=window.open("cntct/contact.php","ctctme","width=300,height=450,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no");
f.focus();
}

function calculateur(){
var f=window.open("outils/calc.html","dst","width=232,height=316,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no");
f.focus();
}
function p_aires(){
var f=window.open("outils/aires.html","dst","width=780,height=416,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no");
f.focus();
}