var leaving = true;
var internalLink = false; 
var buttonclicked=false;
function buttoncount()
{
var the_inputs=document.getElementsByTagName("input");

for(var n=0;n<the_inputs.length;n++){
if(the_inputs(n).type=="submit"||the_inputs(n).type=="image"){
  var button1=the_inputs(n).type;
 if (the_inputs(i).type=="submit" && the_inputs(i).clicked==true){ 
the_inputs(i).onclick = function(){
        buttonclicked=true;
		return true;
    }   
 }
  }
 }

}

function readlinks()
{
  var count=1;
  if(document.all){
	   
  var anchors=document.links;
  for( var i=0;i<anchors.length;i++)
    {
	 
	    if((anchors[i].name=="printerf"))
	    {
		  var anchor=anchors[i];
		  anchor.onclick= function () {
           internalLink=false;
		  }
		} 
		else if(((anchors[i].href).indexOf("javascript:")!=-1))
        {
              var linker=anchors[i];
               linker.onclick= function () {
               internalLink=false;
		   }
             
		 }
         else if(((anchors[i].href).indexOf("lowplatelets")==-1) && ((anchors[i].target).indexOf("blank")!=-1) )
        {
              var linker=anchors[i];
               linker.onclick= function () {
               internalLink=false;
		   }
             
		 }

		else if(((anchors[i].href).indexOf("lowplatelets")==-1))
        {
              var linker=anchors[i];
               linker.onclick= function () {
               internalLink=false;
		   }
             
		 }

		
		else
		   {
              var linker=anchors[i];
               linker.onclick= function () {
               internalLink=true;
		   }
             
		   }
	}

  }

 else if (document.getElementById) {
	
  var anchors = document.getElementsByTagName("a");
  for (var i=0; i < anchors.length; i++) { 
  var anchor = anchors[i];
      anchor.onclick =function() {
        internalLink=true;
        return true;
    };   
   }
    

  }
}



/** COOKIE RELATED METHODS BEGIN **/

var expDays = 365; 
var exp = new Date();
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));


function GetCookie (name) {
  var arg = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen) {
    var j = i + alen;
    if (document.cookie.substring(i, j) == arg)
    return getCookieVal (j);
    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) break;
  }
  return null;
}


function SetCookie (name, value) {
  var argv = SetCookie.arguments;
  var argc = SetCookie.arguments.length;
  var expires = (argc > 2) ? argv[2] : null;
  var path = (argc > 3) ? argv[3] : null;
  var domain = (argc > 4) ? argv[4] : null;
  var secure = (argc > 5) ? argv[5] : false;
  document.cookie = name + "=" + escape (value) +
    ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
    ((path == null) ? "" : ("; path=" + path)) +
    ((domain == null) ? "" : ("; domain=" + domain)) +
    ((secure == true) ? "; secure" : "");
}


function getCookieVal(offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
  endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset, endstr));
}


/** COOKIE RELATED METHODS END **/
function settingCookie()
{
	var count=1;
	 SetCookie('optin', count, exp);
}
function  openpopup()
{
   var count = GetCookie('optin');
	if(leaving) 
	{
	 
	   if(count == null) 
		{
		  var inputs;
			buttoncount();  
		   if (internalLink==false && buttonclicked==false)
			{
			 count=1;
             SetCookie('optin', count, exp);  
		     var popunder="popup.html"
			 var winfeatures="toolbar=no,scrollbars=no,resizable=no,width=500,height=335,right=0,top=0"
			 win3=window.open(popunder,"Survey",winfeatures)			 
			 win3.focus();
                
			}
         }

       

	}
	
}