//general.js

//std cookie function , dont change
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());
}

//std cookie function , dont change
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 "";
}

//handeling cookie to show/hide headerfoot
function headerFoot()
{	var hidden = getCookie('hidden');
	if(hidden != null && hidden != "")
		if(hidden)
		{	document.getElementById('headerfoot').style.display = 'block';
			setCookie('hidden', false, 1);
		}
		else
		{	document.getElementById('headerfoot').style.display = 'none';
			setCookie('hidden', true, 1);
		}	
	else
	{	setCookie('hidden', true, 1);
		document.getElementById('headerfoot').style.display = 'none';
	}
	
	if(getCookie('hidden'))
		document.getElementById('showHide').innerHTML = 'Show';
	else
		document.getElementById('showHide').innerHTML = 'Hide';
}

//generic function called on load of page
function handle()
{	headerFoot();
}