function showid(id)
{
 document.getElementById(id).style.display="block";
}

function hideid(id)
{
 document.getElementById(id).style.display="none";
}

function idstyle(id,s)
{
 document.getElementById(id).style.display=s;
}

function getstyle(id)
{
 return document.getElementById(id).style.display;
}
	
function on(i)
  {
   document.getElementById(i).disabled=false;
  }
  
  function off(i)
  {
   document.getElementById(i).disabled=true;
  }
  
  function setval(id,v)
{
 document.getElementById(id).value=v;
}

function getval(id)
{
 v=document.getElementById(id).value;
 return v;
}

function setinner(id,t)
{
 z=document.getElementById(id);
 if(z) z.innerHTML=t;
}

function getinner(id)
{
 z=document.getElementById(id);
 if(z) return z.innerHTML;
 return '';
}

 function trim(data) {
    return data.replace(/^\s*(.*?)\s*$/gi, '$1');
}

function getCookie(name) {
	var cookie = " " + document.cookie;
	var search = " " + name + "=";
	var setStr = null;
	var offset = 0;
	var end = 0;
	if (cookie.length > 0) {
		offset = cookie.indexOf(search);
		if (offset != -1) {
			offset += search.length;
			end = cookie.indexOf(";", offset)
			if (end == -1) {
				end = cookie.length;
			}
			setStr = unescape(cookie.substring(offset, end));
		}
	}
	return(setStr);
}

function setCookie(nam,val)
{
 document.cookie = nam+"="+val;
}