var Open = ""
var Closed = ""

function preload()
{
	if(document.images)
	{
		Open = new Image()    
		Closed = new Image()
		Open.src = "../_image/arrow-B.gif"
		Closed.src = "../_image/arrow-D.gif"
		Open2 = new Image()    
		Closed2 = new Image()
		Open.src2 = "../_image/moins.gif"
		Closed.src2 = "../_image/plus.gif"
	}
}


function showhide3(par,par2)
{
	//alert(document.getElementById(par).style.display);
	//alert(document.getElementById(par2).style.display);
	
	if (document.getElementById(par).style.display=='none'){
		document.getElementById(par).style.display='';
		document.getElementById(par2).src=Open.src2
	}
	else{
		document.getElementById(par).style.display='none'
		document.getElementById(par2).src=Closed.src2
	}
}