function _over(Sender) {
  switch(Sender.id) {
  	case "_home":
  		document.getElementById(Sender.id).src="buttons/home2.gif";
  		break
  	case "_certif":
  		document.getElementById(Sender.id).src="buttons/certif2.gif";
  		break
  	case "_prod":
  		document.getElementById(Sender.id).src="buttons/products2.gif";
  		break
  	case "_feat":
  		document.getElementById(Sender.id).src="buttons/features2.gif";
  		break
  	case "_mount":
  		document.getElementById(Sender.id).src="buttons/process2.gif";
  		break
  	case "_proj":
  		document.getElementById(Sender.id).src="buttons/projects2.gif";
  		break
  	case "_cont":
  		document.getElementById(Sender.id).src="buttons/contact2.gif";
  		break
  	}
}

function _out(Sender) {
  switch(Sender.id) {
  	case "_home":
  		document.getElementById(Sender.id).src="buttons/home1.gif";
  		break
  	case "_certif":
  		document.getElementById(Sender.id).src="buttons/certif1.gif";
  		break
  	case "_prod":
  		document.getElementById(Sender.id).src="buttons/products1.gif";
  		break
  	case "_feat":
  		document.getElementById(Sender.id).src="buttons/features1.gif";
  		break
  	case "_mount":
  		document.getElementById(Sender.id).src="buttons/process1.gif";
  		break
  	case "_proj":
  		document.getElementById(Sender.id).src="buttons/projects1.gif";
  		break
  	case "_cont":
  		document.getElementById(Sender.id).src="buttons/contact1.gif";
  		break
  	}
}


function _build() {
	document.getElementById("id_trigger").style.left=_XY("id_menu")[0]+145+'px';
	document.getElementById("id_trigger").style.top=_XY("id_menu")[1]-15+'px';
}

function _XY(Sender){
	var obj = document.getElementById(Sender);
	var _X = obj.offsetLeft;
	var _Y = obj.offsetTop;
	var _data = new Array(2);
	while(obj.offsetParent){
	_X=_X+obj.offsetParent.offsetLeft;
	_Y=_Y+obj.offsetParent.offsetTop;
	if(obj==document.getElementsByTagName('body')[0]){break}
	else{obj=obj.offsetParent;}
	}
_data[0]=_X;
_data[1]=_Y;
return _data;
}

function _popup(ID) {
	if (ID == 1){
		document.getElementById("pm_prod").style.top=_XY("_prod")[1]+'px'; 
		document.getElementById("pm_prod").style.left=_XY("_prod")[0]+144+'px';
		document.getElementById("pm_prod").style.display="block";}
	if (ID == 2){
		document.getElementById("pm_feat").style.top=_XY("_feat")[1]+'px'; 
		document.getElementById("pm_feat").style.left=_XY("_feat")[0]+144+'px';		
		document.getElementById("pm_feat").style.display="block";}
}

function _hide(_id){
if (_id == null)
	{document.getElementById("pm_prod").style.display="none";	
	document.getElementById("pm_feat").style.display="none";}
if (_id == 1)
	{document.getElementById("pm_prod").style.display="none";}
if (_id == 2)	
	{document.getElementById("pm_feat").style.display="none";}
}

function f_popup(Sender){
if (Sender.id == "f_prod")
{
		document.getElementById("pm_prod").style.top=_XY(Sender.id)[1]-45+'px'; 
		document.getElementById("pm_prod").style.left=_XY(Sender.id)[0]-16+'px';
		document.getElementById("pm_prod").style.display="block";}
if (Sender.id == "f_feat")
{
		document.getElementById("pm_feat").style.top=_XY(Sender.id)[1]-45+'px'; 
		document.getElementById("pm_feat").style.left=_XY(Sender.id)[0]-16+'px';		
		document.getElementById("pm_feat").style.display="block";}
}