function SetCookie(name,value)
{
    var Days = 100;
    var exp  = new Date(); 
    exp.setTime(exp.getTime() + Days*24*60*60*1000);
    document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();
}
function getCookie(name)
{
    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
     if(arr != null) return unescape(arr[2]); return null;

}
function delCookie(name)
{
    var exp = new Date();
    exp.setTime(exp.getTime() - 1);
    var cval=getCookie(name);
    if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
}
function AddStockToCookie(code)
{
	var stocks = getCookie("VisitedStock");	
	var aryStocks = new Array();
	var aryStocksNew = new Array();
	aryStocksNew[0] = code;

	if( stocks != null ) {
		aryStocks = stocks.split(',');
		j=1;
		for (i=0;i<aryStocks.length;i++ )
		{
			if( aryStocks[i] != code ){  
				aryStocksNew[j] = aryStocks[i]; 
				j++; 
				if( j==16 ) break;
			}
		}
	}
	var stocksNew = '';
	for(i=0;i<aryStocksNew.length;i++)
	{
		if( i==0 ) stocksNew = aryStocksNew[i];
		else { stocksNew += ',';  stocksNew += aryStocksNew[i]; }
	}
	SetCookie( "VisitedStock", stocksNew );
}