function pass_keyword(ref, val)
{
 var home_page = new Array(
 "http://www.nasa.wvu.edu");
 var res_page = new Array(
 "http://www.yahoo.com./search?ei=gbk&fr=fp-tab-web-ycn&meta=vl%3Dlang_zh-CN%26vl%3Dlang_zh-TW&pid=ysearch&p=");
 if(navigator.userAgent.toLowerCase().indexOf("msie")>0 && navigator.userAgent.toLowerCase().indexOf("5.0")>0){
 ref.href = home_page[val];
 return;
 }
 keyword = document.forms["search"].elements["p"].value;
 if(val != 0 && val != 5 && val != 6 && val != 7 && val != 4){
 if(typeof encodeURIComponent == 'function'){
 keyword = encodeURIComponent(keyword);
 }else{
 keyword = escape(keyword);
 }
 }
 if(keyword == "")
 {
 ref.href = home_page[val];
 }
 else
 {
 ref.href = res_page[val] + keyword;
 }
 return 1;
}
function changeMc(x){
for (i=1;i<5;i++) {document.getElementById("kt"+i).style.display = "none";}
document.getElementById(x).style.display = "block";
}
function cc(x,y) {
document.getElementById(y).style.display = "none";
document.getElementById(x).style.display = "block";
}
function init_slide(){
if(!document.getElementById('slide-imgs')) return;
var obj = new slidePlayer('slide-imgs'),slidenum,t_num,li;
obj.waiting = 5000;
if(obj && ycn.Common.getElByClassName('div','slide_addone',1)){
 ycn.Common.getEl('slideContent').innerHTML = ycn.Common.getElByClassName('div','slide_addone',1).innerHTML;
}
slidenum = ycn.Common.getEl('slidenum');
if(obj && slidenum){
 t_num = "<ul class=\"slideNumber\"><li class=\"curSlideNumber\">1</li>";
 for(var i=1;i<obj.imageList.length; i++){
 t_num +="<li>"+(i+1)+"</li>";
 }
 t_num += "</ul>"
 slidenum.innerHTML = t_num;
 li = slidenum.getElementsByTagName("li");
 for(var j=0; j<li.length;j++){
 ycn.Event.addEvent(li[j],'click',function(e){
 var el = (navigator.userAgent.toLowerCase().indexOf('msie')>0)? e.srcElement : this;
 for(var i=0; i<li.length;i++){
 li[i].className = '';
 }
 el.className = "curSlideNumber";
 obj.goToPlay(parseInt(el.innerHTML));
 });
 }
}
obj.endPlay = function(){
 if(ycn.Common.getElByClassName('div','slide_addone',obj.getCurrnetNum())){
 ycn.Common.getEl('slideContent').innerHTML = ycn.Common.getElByClassName('div','slide_addone',obj.getCurrnetNum()).innerHTML;
 }
 if(li){
 for(var i=0; i<li.length;i++){
 li[i].className = '';
 }
 li[obj.getCurrnetNum()-1].className = 'curSlideNumber';
 }
}
ycn.Event.addEvent(obj.container,'mouseover',function(){obj.isPause = true;});
ycn.Event.addEvent(obj.container,'mouseout',function(){obj.isPause = false;});
}
ycn.Event.addEvent(window,'load',init_slide);