var xold=0;	
	var xint=0;
	var position=0;

	function mouse(event)
	{ 
		if(navigator.appName=='Microsoft Internet Explorer') { var x=event.x; }
		else { var x=event.pageX; }	
		
		xint=x-xold;
		position=position+xint;
		position=position/7;
		
		if(xint>1 || xint <-1) { document.getElementById("motifreglebas").style.backgroundPosition=-position+"px"; }
	}