function look(type){
param=document.getElementById(type);
if(param.style.display == "none"){
 param.style.display = "block";
 }
else{
 param.style.display = "none"
  }
} 
function look2(type){
param=document.getElementById(type);
if(param.style.display == "inline"){
 param.style.display = "block";
 }
else{
 param.style.display = "none"
  }
}