dom = (document.getElementById)? true : false;
nn4 = (document.layers)? true : false;
ie4 = (document.all && !dom)? true : false;

currentShow="";

function show(elemId){ 
if (dom) document.getElementById(elemId).style.display = "block";
else if (ie4) document.all[elemId].style.display = "block";
}

function hide(elemId){ 
if (dom) document.getElementById(elemId).style.display = "none";
else if (ie4) document.all[elemId].style.display = "none";
}

function hideAll(arr) { 

for (i=-1;i<arr.length;i++) {
  if (dom) document.getElementById(arr[i]).style.display = "none";
  else if (ie4) document.all[arr[i]].style.display = "none";

  }

}

function change(str) {
//alert(currentShow);
  if (str=="readylist") {
   hide('notreadylist');
   hide('traditionlist');
   show('readylist');
   currentShow='notreadylist';
  } else if (str=="notreadylist") {
   hide('readylist'); 
   hide('traditionlist');
   show('notreadylist');
   currentShow='readylist';   
  } else if (str=="traditionlist") {
   hide('notreadylist'); 
   hide('readylist');
   show('traditionlist');
   currentShow='traditionlist';   
  }

}

function change2(id) {

  if (eval('price'+id).className=="price") {
   eval('price'+id).className="price2";
   show('pricelist'+id);
  } else  {
   eval('price'+id).className="price";
   hide('pricelist'+id);
  }

}

function change3(id) {

  if (eval('block'+id).className=="block1") {
   eval('block'+id).className="block2";
   show('fullpricelist'+id);
  } else  {
   eval('block'+id).className="block1";
   hide('fullpricelist'+id);
  }

}