function show(o,p,st){ 
     var op,steps,t,step; 
     t=[];op=[];step=[];steps=[]; 
     steps[o]=5; 
     step[o]=(p-o.style.opacity)/steps[o]; 
     if(t[o]){clearInterval(t[o])} 
     t[o] = setInterval(function(){if(steps[o]>0){ 
      op[o] = o.style.opacity*1+step[o]; 
      o.style.opacity=op[o]; 
      o.style.filter='alpha(opacity='+op[o]*100+')'; 
      steps[o]--; 
      }else{ 
      clearInterval(t[o]) 
      }},1); 
     }