function getElementsByClassName(className, tag, elm){
	var testClass = new RegExp("(^|s)" + className + "(s|$)");
	var tag = tag || "*";
	var elm = elm || document;
	var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);
	var returnElements = [];
	var current;
	var length = elements.length;
	for(var i=0; i<length; i++){
		current = elements[i];
		if(testClass.test(current.className)){
			returnElements.push(current);
		}
	}
	return returnElements;
}
function logo()
{
	if (document.getElementById("section").value=="bdd" || document.getElementById("section").value=="")
	{
		logo1();
		/*document.getElementById("maj").style.color="#8EC90B";*/
		/*if (document.getElementsByClassName("titres","corps")!=undefined)*/
		elem=getElementsByClassName("titres");
			for (i=0;i<elem.length;i++)
			{
				elem[i].style.color="#8EC90B";
				elem[i].style.borderColor="#8EC90B";
			}	
	}
	else if (document.getElementById("section").value=="os_reseaux_securite")
	{
		logo2();
		elem=getElementsByClassName("titres");
			for (i=0;i<elem.length;i++)
			{
				elem[i].style.color="#FD8127";
				elem[i].style.borderColor="#FD8127";
			}	
	}
	else if (document.getElementById("section").value=="cellule_web")
	{
		logo3();
		elem=getElementsByClassName("titres");
			for (i=0;i<elem.length;i++)
			{
				elem[i].style.color="#ED39D6";
				elem[i].style.borderColor="#ED39D6";
			}	
	}
	else if (document.getElementById("section").value=="formation")
	{
		logo4();
		elem=getElementsByClassName("titres");
			for (i=0;i<elem.length;i++)
			{
				elem[i].style.color="#84A8CA";
				elem[i].style.borderColor="#84A8CA";
			}	
	}
	else
	{
		logo5();
		elem=getElementsByClassName("titres");
			for (i=0;i<elem.length;i++)
			{
				elem[i].style.color="#999999";
				elem[i].style.borderColor="#999999";
			}	
	}
}
function logo1()
{
	document.getElementById("logo1").style.display="block";
	document.getElementById("logo2").style.display="none";
	document.getElementById("logo3").style.display="none";
	document.getElementById("logo4").style.display="none";
	if(document.getElementById("section").value!="")
	{
		document.getElementById("headmenu1").style.display="block";
		document.getElementById("headmenu1").innerHTML="Base de Données";
		document.getElementById("headmenu2").style.display="none";
		document.getElementById("headmenu3").style.display="none";
		document.getElementById("headmenu4").style.display="none";
		document.getElementById("headmenu5").style.display="none";
		document.getElementById("headmenu1").style.backgroundColor="#8EC90B";
	}

}
function logo2()
{
	document.getElementById("logo1").style.display="none";
	document.getElementById("logo2").style.display="block";
	document.getElementById("logo3").style.display="none";
	document.getElementById("logo4").style.display="none";
	if(document.getElementById("section").value!="")
	{
	document.getElementById("headmenu1").style.display="none";
	document.getElementById("headmenu2").style.display="block";
	document.getElementById("headmenu2").innerHTML="Réseaux et Sécurité";
	document.getElementById("headmenu3").style.display="none";
	document.getElementById("headmenu4").style.display="none";
	document.getElementById("headmenu5").style.display="none";
	document.getElementById("headmenu2").style.backgroundColor="#FD8127";
	}
}
function logo3()
{
	document.getElementById("logo1").style.display="none";
	document.getElementById("logo2").style.display="none";
	document.getElementById("logo3").style.display="block";
	document.getElementById("logo4").style.display="none";
	if(document.getElementById("section").value!="")
	{
	document.getElementById("headmenu1").style.display="none";
	document.getElementById("headmenu2").style.display="none";
	document.getElementById("headmenu3").style.display="block";
	document.getElementById("headmenu3").innerHTML="Développement";
	document.getElementById("headmenu4").style.display="none";
	document.getElementById("headmenu5").style.display="none";
	document.getElementById("headmenu3").style.backgroundColor="#ED39D6";
	}
}
function logo4()
{
	document.getElementById("logo1").style.display="none";
	document.getElementById("logo2").style.display="none";
	document.getElementById("logo3").style.display="none";
	document.getElementById("logo4").style.display="block";
	if(document.getElementById("section").value!="")
	{
	document.getElementById("headmenu1").style.display="none";
	document.getElementById("headmenu2").style.display="none";
	document.getElementById("headmenu3").style.display="none";
	document.getElementById("headmenu4").style.display="block";
	document.getElementById("headmenu4").innerHTML="Formation";
	document.getElementById("headmenu5").style.display="none";
	document.getElementById("headmenu4").style.backgroundColor="#84A8CA";
	}
}
function logo5()
{
	document.getElementById("logo1").style.display="none";
	document.getElementById("logo2").style.display="none";
	document.getElementById("logo3").style.display="none";
	document.getElementById("logo4").style.display="block";
	if(document.getElementById("section").value!="")
	{
	document.getElementById("headmenu1").style.display="none";
	document.getElementById("headmenu2").style.display="none";
	document.getElementById("headmenu3").style.display="none";
	document.getElementById("headmenu4").style.display="none";
	document.getElementById("headmenu5").style.display="block";
	document.getElementById("headmenu5").innerHTML="Société";
	document.getElementById("headmenu5").style.backgroundColor="#999999";
	}
}
function section()
{
	document.getElementById("section").value="bdd";
}
function bgcolor(obj)
{
	if (document.getElementById("section").value=="bdd" || document.getElementById("section").value=="")
	{
		obj.style.backgroundColor = '#8EC90B';
	}
	else if (document.getElementById("section").value=="os_reseaux_securite")
	{
		obj.style.backgroundColor = '#FD8127';
	}
	else if (document.getElementById("section").value=="cellule_web")
	{
		obj.style.backgroundColor = '#ED39D6';
	}
	else if (document.getElementById("section").value=="formation")
	{
		obj.style.backgroundColor = '#84A8CA';
	}
	else
	{
		obj.style.backgroundColor = '#999999';
	}
}
function unbgcolor(obj)
{
	obj.style.backgroundColor = '';
}
function color(obj)
{
	obj.style.color = '#FFFFFF';
}
function uncolor(obj)
{
	obj.style.color = '#84A8CA';
}
function affichemenu()
{
		document.getElementById("sidemenu").style.display="block";
}
function cachemenu()
{
		document.getElementById("sidemenu").style.display="none";
}