<!--
	function changeTYPEOFFRE() { 
			visi('batiment');
			blocking('batiment');
			visi('terrain');
			blocking('terrain');
	}
	 
	function changeETAT() { 
			visi('projet');
			blocking('projet');
			visi('entreprise');
			blocking('entreprise');
	}
	
	function visi(nr)
	{
		if (document.layers)
		{
			vista = (document.layers[nr].visibility == 'hide') ? 'show' : 'hide'
			document.layers[nr].visibility = vista;
		}
		else if (document.all)
		{
			vista = (document.all[nr].style.visibility == 'hidden') ? 'visible'	: 'hidden';
			document.all[nr].style.visibility = vista;
		}
		else if (document.getElementById)
		{
			vista = (document.getElementById(nr).style.visibility == 'hidden') ? 'visible' : 'hidden';
			document.getElementById(nr).style.visibility = vista;
	
		}
	}
	
	function blocking(nr)
	{
		if (document.layers)
		{
			current = (document.layers[nr].display == 'none') ? 'block' : 'none';
			document.layers[nr].display = current;
		}
		else if (document.all)
		{
			current = (document.all[nr].style.display == 'none') ? 'block' : 'none';
			document.all[nr].style.display = current;
		}
		else if (document.getElementById)
		{
			vista = (document.getElementById(nr).style.display == 'none') ? 'block' : 'none';
			document.getElementById(nr).style.display = vista;
		}
	}	
	
	function afficher(nr) {
		if (document.layers)
		{
			document.layers[nr].visibility = 'show';
			document.layers[nr].display = 'block';
		}
		else if (document.all)
		{
			document.all[nr].style.visibility = 'visible';
			document.all[nr].style.display = 'block';
		}
		else if (document.getElementById)
		{
			document.getElementById(nr).style.visibility = 'visible'
			document.getElementById(nr).style.display = 'block';
		}	
	}
	
	function cacher(nr) {
		if (document.layers)
		{
			document.layers[nr].visibility = 'hide';
			document.layers[nr].display = 'none';
		}
		else if (document.all)
		{
			document.all[nr].style.visibility = 'hidden';
			document.all[nr].style.display = 'none';
		}
		else if (document.getElementById)
		{
			document.getElementById(nr).style.visibility = 'hidden';
			document.getElementById(nr).style.display = 'none';
		}	
	}
	
//-->