$(document).ready(function(){
	$('.pulsantecartina').bind('mouseover',function(){
							//alert('azz');
							sfondodamettere = 'img/'+$(this).attr("id").replace('sardegna','')+'premuto.png';
							//alert(sfondodamettere);
							$(this).css("background-image",'url("'+sfondodamettere+'")');
							if(navigator.userAgent.match("MSIE")){ 
								y = parseInt($(this).css("top"));
								y=y-3;
								$(this).css("top",y+"px");
								
								x = parseInt($(this).css("left"));
								x=x+1;
								$(this).css("left",x+"px");
								
								$(this).css("background-position",'center center');
								}//se internetexplorer
						})
						 .bind('mouseout',function(){
							$(this).css("background-image",'url("none.gif")');
							
							if(navigator.userAgent.match("MSIE")){ 
								y = parseInt($(this).css("top"));
								y=y+3;
								$(this).css("top",y+"px");
								
								x = parseInt($(this).css("left"));
								x=x-1;
								$(this).css("left",x+"px");
								
								$(this).css("background-position",'center center');
								}//se internetexplorer
						});
});