function f_get_book()
{
f=document.getElementById("b_title").innerHTML;

f_div="f_book_search"
if (f!=="")
{

f_url_book="/read/book_search.asp?f_word="+f+"";

//f_ajax(f_url_book,f_div)

}
}
function f_ajax(f_url,f_show)
{
var ls_request = false;

	//开始初始化XMLHttpRequest 对象
	if(window.XMLHttpRequest) { //Mozilla 浏览器
		ls_request = new XMLHttpRequest();
		if (ls_request.overrideMimeType) {//设置MiME 类别
			ls_request.overrideMimeType("text/xml");
		}
	}
	else if (window.ActiveXObject) { // IE 浏览器
		try {
			ls_request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				ls_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}
	if (!ls_request) { // 异常，创建对象实例失败
		window.alert("不能创建XMLHttpRequest 对象实例.");
		return false;
	}
//f_wbid,f_bgid,f_clid,f_div
	ls_request.open("POST", f_url,false);
	ls_request.send("");

		if (ls_request.readyState == 4) 
		{
			if (ls_request.status == 200) 
			{
				if (ls_request.responseText != "")
				{

				var   fabc   =   document.getElementById(f_show);     
				  fabc.innerHTML   = ls_request.responseText;  
				}
			}
		}
}