复制代码 代码如下: <BR><!--<BR>var ap_name = navigator.appName;<BR>var ap_vinfo = navigator.appVersion;<BR>var ap_ver = parseFloat(ap_vinfo.substring(0,ap_vinfo.indexOf('(')));<BR>var time_start = new Date();<BR>var clock_start = time_start.getTime();<BR>var dl_ok=false;<BR>function init ()<BR>{<BR>if(ap_name=="Netscape" && ap_ver>=3.0)<BR>dl_ok=true; <BR>return true;<BR>}<BR>function get_time_spent ()<BR>{ <BR>var time_now = new Date();<BR>return((time_now.getTime() - clock_start)/1000); <BR>}<BR>function show_secs () // show the time user spent on the side<BR>{ <BR>var i_total_secs = Math.round(get_time_spent()); <BR>var i_secs_spent = i_total_secs % 60;<BR>var i_mins_spent = Math.round((i_total_secs-30)/60); <BR>var s_secs_spent = "" + ((i_secs_spent>9) ? i_secs_spent : "0" + i_secs_spent);<BR>var s_mins_spent ="" + ((i_mins_spent>9) ? i_mins_spent : "0" + i_mins_spent);<BR>document.fm0.time_spent.value = s_mins_spent + ":" + s_secs_spent;<BR>window.setTimeout('show_secs()',1000); <BR>}<BR>// --><BR>
