var st1 = 0;var gr0=0;valy1 = 0;
valx1 = 0;
valy2 = 0;
valy3 = 0;
valy4 = 0;

jQuery(document).ready(function(){
   $().mousemove(function(e){
   
   		newvaly1 = f1(e.pageY);
   		newvaly2 = f2(e.pageY);
   		newvaly3 = f3(e.pageY);
   		newvaly4 = f4(e.pageY);
   		
   		if (newvaly1 != valy1){
   			valy1 = newvaly1;
	      $('#link1').animate({marginTop:valy1},{queue:false, duration:150},"linear");
	    }
	    if (newvaly2 != valy2){
   			valy2 = newvaly2;
	      $('#link2').animate({marginTop:valy2},{queue:false, duration:150},"linear");
	    }
	    if (newvaly3 != valy3){
   			valy3 = newvaly3;
	      $('#link3').animate({marginTop:valy3},{queue:false, duration:150},"linear");
	    }
	    if (newvaly4 != valy4){
   			valy4 = newvaly4;
	      $('#link4').animate({marginTop:valy4},{queue:false, duration:150},"linear");
	    }
	    
   }); 
})

function sticky(mouseY,k){
	r = -parseInt((mouseY)/k/50)*50;
	if (r < -450) r = -450;
	return r;
}

function f1(mouseY){
	return sticky(mouseY,1);
}

function f2(mouseY){
	return sticky(mouseY,1);
}

function f3(mouseY){
	return sticky(mouseY,1);
}

function f4(mouseY){
	return sticky(mouseY,1);
}