function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=")
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1 
    c_end=document.cookie.indexOf(";",c_start)
    if (c_end==-1) c_end=document.cookie.length
    return unescape(document.cookie.substring(c_start,c_end))
    } 
  }
return ""
}

function setCookie(c_name,value,expiredays)
{
	var exdate=new Date()
	exdate.setDate(exdate.getDate()+expiredays)
	document.cookie=c_name+ "=" +escape(value)+ ((expiredays==null) ? "" : ";expires="+exdate.toGMTString())	
}

function checkCookie(cookiename)
{
	mycookie=getCookie(cookiename)
	if (mycookie!=null && mycookie!="")
  	{
  		//already responded to survey before so don't show it again.
  	}
	else 
  	{  
  		setCookie("phoenixsurvey1","1",365);
  		window.open("/surveyStart.jsp", "subWindow","height=650,width=880,top=0, left=0,resizable=yes,scrollbars=yes");     		
  	}
  	 
}

function ismaxlength(obj)
{
	var mlength=obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : ""
	if (obj.getAttribute && obj.value.length>mlength)
	obj.value=obj.value.substring(0,mlength)
}