// www.c-ps.net
/**获取DOM中id
 * @param {object} id 获取的id值
 */
//$=function(id){
	//return document.getElementById(id);
//}
//<!CDATA[ 
function g(o){return document.getElementById(o);} 
function HoverLi(n){ 
//如果有N个标签,就将i<=N; 
//本功能非常OK,兼容IE7,FF,IE6 
for(var i=1;i<=3;i++){g('tb_'+i).className='normaltab';g('tbc_0'+i).className='undis';}g('tbc_0'+n).className='dis';g('tb_'+n).className='hovertab'; 
} 
//如果要做成点击后再转到请将<li>中的onmouseover 改成 onclick; 
//]]> 

//商机栏目
function doClick_down(o,a,b,c,n){
	 o.className=a;
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=n;i++){
	   id =b+i;
	   j = document.getElementById(id);
	   e = document.getElementById(c+i);
	   //alert(id + "," + o.id + "," +e);
	   if(id != o.id){
	   	 j.className="";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "";
	   }
	 }
	 }
	 
//关闭对联
function closedl(){
	var dl_1=document.getElementById("duilian1");
	var dl_2=document.getElementById("duilian2");
	dl_1.style.display = "none";
	dl_2.style.display = "none";
}

//检查搜索表单
//function check(){
//	var s=document.getElementById("flag").value;
//	var key=document.getElementById("key").value;
//	if (myform.key.value==""){
//		alert("请输入搜索关键字");
//		}else{
//			    if (s==1){window.location.href="/info/list.asp?key="+key;}//产品
//				if (s==2){window.location.href="http://company.c-ps.net/index.asp?Flag=1&key="+key;}//企业
//				if (s==3){window.location.href="http://project.c-ps.net/project.asp?key="+key;}//工程商
//			  }
//}

//图片按比例缩放
	function DrawImage(ImgD,w,h){
	var image=new Image();
	var iwidth = w;
	var iheight = h; //定义允许高度，当宽度大于这个值时等比例缩小
	image.src=ImgD.src;
	if(image.width>0 && image.height>0){
	   flag=true;
	   if(image.width/image.height>= iwidth/iheight){
		if(image.width>iwidth){ 
		 ImgD.width=iwidth;
		 ImgD.height=(image.height*iwidth)/image.width;
		}else{
		 ImgD.width=image.width; 
		 ImgD.height=image.height;
		}
	   }else{
		if(image.height>iheight){ 
		 ImgD.height=iheight;
		 ImgD.width=(image.width*iheight)/image.height; 
		}else{
		 ImgD.width=image.width; 
		 ImgD.height=image.height;
		}
	   }
	}
	} 
//]]>

// JS自动翻页：对像名，页数，时间
var n=1;
function CPSmarquee(){
	var id="products_list_";
	var tt;
	var page=4;
		document.getElementById("products_list_1").style.display="none";
        document.getElementById("products_list_2").style.display="none";
		document.getElementById("products_list_3").style.display="none";
		document.getElementById("products_list_4").style.display="none";
		tt=id + n;
		document.getElementById(tt).style.display="block";
		n=n+1;
		if (n>page){ n=1; }
timeoutProcess = setTimeout(CPSmarquee, 5000);
}
//]]>

//分页广告
function ADmarquee(){
	var l1,l2;
		l1=document.getElementById("lh1").style.display;
		l2=document.getElementById("lh2").style.display;
		
	if(l1=="none")
	{document.getElementById("lh1").style.display="block";}
	else
	{document.getElementById("lh1").style.display="none";}
	
	if(l2=="none")
	{document.getElementById("lh2").style.display="block";}
	else
	{document.getElementById("lh2").style.display="none";}
	//alert(l1+' '+l2);
setTimeout(ADmarquee, 45000);
}
//]]>

//幻灯片
 var hdpN=0;
	   function hdp(){
	var txt1 = document.getElementById("txt1");
	var txt2 = document.getElementById("txt2");
	var txt3 = document.getElementById("txt3");
	var txt4 = document.getElementById("txt4");
	var txt5 = document.getElementById("txt5");
	
	var img1 = document.getElementById("img1");
	var img2 = document.getElementById("img2");
	var img3 = document.getElementById("img3");
	var img4 = document.getElementById("img4");
	var img5 = document.getElementById("img5");

    txt1.className="txt";
	txt2.className="txt";
	txt3.className="txt";
	txt4.className="txt";
	txt5.className="txt";
	img1.className="dis";
	img2.className="dis";
	img3.className="dis";
	img4.className="dis";
	img5.className="dis";
    
	hdpN=hdpN+1;
	if (hdpN>5){hdpN=1};
	if (hdpN==1){
				  txt1.className="txt1";
				  img1.className="Ndis";
				  
	}else if (hdpN==2){
				  txt2.className="txt2";
				  img2.className="Ndis";
				  
	}else if (hdpN==3){
				  txt3.className="txt3";
				  img3.className="Ndis";
				  
	}else if (hdpN==4){
				  txt4.className="txt4";
				  img4.className="Ndis";
				  
	}else if (hdpN==5){
				  txt5.className="txt5";
				  img5.className="Ndis";
	}
	//alert(n);
setTimeout("hdp();", 5000);

}

//search
var id2
function doClick_menu(o){
	o.className='menu_gg';
	var j,id,e;
for(var i=1;i<=6;i++){
		id='menu'+i;
		j=document.getElementById(id);
		//e=document.getElementById('menu_con'+i);
		if(id!=o.id){j.className='';}
        else{j.className='now';id2=id;}
}
var url='';
switch(id2){case'menu1':url='http://news.c-ps.net/search.asp?page=1&keywords=';
break;
case'menu2':url='http://company.c-ps.net/index.asp?Flag=1&key=';
break;
case'menu3':url='http://b2b.c-ps.net/list.asp?key=';
break;
case'menu4':url='http://buy.c-ps.net/?page=1&key=';
break;
case'menu5':url='http://search.bbs.c-ps.net/f/search?sId=8423730&ts=1325821180&mySign=7cc5f457&qs=word.hint.5&rfh=1&q=';
break;
case'menu6':url='http://project.c-ps.net/company.asp?key=';
break;
}
doClick_submit.url=url;
}

doClick_submit.url="http://b2b.c-ps.net/list.asp?key=";
function doClick_submit(){
	var keyword=document.getElementsByName('keyword')[0].value;
	//alert(doClick_submit.url+keyword);
	if (id2=="menu5"){
		var nwin=window.open("http://search.bbs.c-ps.net/f/search?q="+encodeURI(keyword)+"&sId=8423730&ts=1325821180&mySign=7cc5f457&menu=1&rfh=1&qs=txt.form.a");
	}
	else{
    	var nwin=window.open(doClick_submit.url+keyword);
	}
    //nwin.location.href=doClick_submit.url+keyword;
	}
	
window.onload=function(){
	var keyword=document.getElementsByName('keyword')[0];
	keyword.onkeydown=function(e){e=e||window.event;if(e.keyCode==13){doClick_submit();}};

}

//回车
function KeyDown()
{
    if (event.keyCode == 13)
    {
doClick_submit();
    }
}

//全国企业/全国工程商
function substation(){
	var qgjy,qggcs;
	qgjy=document.getElementById("substation_A");//全国安防企业
	qggcs=document.getElementById("substation_B");//全国安防工程商
	
	if (qgjy.style.display=="none"){
		qgjy.style.display="block";
		qggcs.style.display="none";
		}else
		{
		qgjy.style.display="none";
		qggcs.style.display="block";
			}
}