/*------------------------------------------------------
    Change Image Source
------------------------------------------------------*/
function ChangeImgSrc(imgObj, strSrc)
{
    imgObj.src = strSrc;
}

/*------------------------------------------------------
    Get Query String																							
------------------------------------------------------*/
function GetQueryString(strKey,strDefault)
{
    // get the query string, ignore the ? at the front.
	var querystring=location.search.substring(1,location.search.length);

    // parse out name/value pairs separated via &
	var args = querystring.split('&');

    // split out each name = value pair
	for (var i=0;i<args.length;i++)
	{
		var pair = args[i].split('=');

		// Fix broken unescaping
		temp = unescape(pair[0]).split('+');
		name = temp.join(' ');

		temp = unescape(pair[1]).split('+');
		value = temp.join(' ');
        
        if(name == strKey)
        {
            return value;
        }		
	}
    
    return strDefault;
}

/***********************************
String Cut
************************************/
function cutStrExper(head, length) {
    if (head == "?") {
        document.write("");
        return;
    }

    var strLen = head.length;
    if (strLen > length) {
        head = head.substr(0, length + 5);

        var lastIndexOfSpace = head.lastIndexOf(' ');

        if (lastIndexOfSpace > 0) {
            head = head.substr(0, lastIndexOfSpace);
        }
        else {
            head = head.substr(0, length);
        }

        document.write(head + " ...");
        return;
    }
    else {
        document.write(head);
    }
}