function RUpop(divi,largeur,hauteur,postop,posleft){
	var borderL = largeur/2;

	$(divi)
		.css({
		"margin":"0px",
		"padding":"0px",
		"height":"20px",
		"width":"20px",
		"position":"absolute",
		"overflow":"hidden",
		"left":posleft,
		"top":postop,
		"-webkit-border-radius" : borderL,
		"-moz-border-radius" : borderL,
		"border-radius" : borderL,
		"background-color" : "#141b21",
		"text-align" : "center"
		})
		.mouseenter( function (e){			
			$(divi).animate({
			"height":hauteur,
			"width":largeur,
			"left":"-="+borderL,
			"top":"-="+borderL

			},{queue : false , duration : 500});
		})
		.mouseleave( function (e){			
			$(divi).animate({
			"height":"20px",
			"width":"20px",
			"left":posleft,
			"top":postop
			},{queue : false , duration : 500});
		});


}