/* It contains the Cookie related functions      08-02-2007         Vivek Mehta*/
function createCookie(name,value,days)
 {
   	/*if(days) 
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";*/
	var expires="";
	document.cookie = name+"="+value+expires+"; path=/";
}

function createCookieExpiry(name,value,days)
 {
   	var date = new Date();
	date.setTime(date.getTime()+(days*24*60*60*1000));
	var expires = "; expires="+date.toGMTString();
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i<ca.length;i++) {
		var c = ca[i];
		while(c.charAt(0)==' ') c = c.substring(1,c.length);
		if(c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
} 

function readSubCookie(parent,child)
{
    var currentParent;
    var strValue;
    var arrCookieData;
    currentParent=readCookie(parent);
    strValue='';
    if(currentParent!=null)
    {
      arrCookieData=currentParent.split('&');
      for(i=0;i<arrCookieData.length-1;i++)
        {
            if(arrCookieData[i].indexOf(child + '=')!=-1 && arrCookieData[i].indexOf(child + '=')==0)
            {
                strValue=arrCookieData[i].replace(child + '=','');
                break;
            }  
         }
    }
    return strValue;
}

function eraseCookie(name)
 {
    createCookie(name,"",-1);
 }