//news
function newsTab(tabID){
	document.getElementById(tabID).style.display = 'block';
	var tabs = ['news','guangdong'];
	for (var i=0;i<tabs.length;i++){
		if(tabID != tabs[i])
		document.getElementById(tabs[i]).style.display = 'none';
	}
}
//finance
function financeTab(tabID){
	document.getElementById(tabID).style.display = 'block';
	var tabs = ['finance','stock'];
	for (var i=0;i<tabs.length;i++){
		if(tabID != tabs[i])
		document.getElementById(tabs[i]).style.display = 'none';
	}
}
//ent
function entTab(tabID){
	document.getElementById(tabID).style.display = 'block';
	var tabs = ['ent','movie'];
	for (var i=0;i<tabs.length;i++){
		if(tabID != tabs[i])
		document.getElementById(tabs[i]).style.display = 'none';
	}
}
//sports
function sportsTab(tabID){
	document.getElementById(tabID).style.display = 'block';
	var tabs = ['sports','nba'];
	for (var i=0;i<tabs.length;i++){
		if(tabID != tabs[i])
		document.getElementById(tabs[i]).style.display = 'none';
	}
}
//economy
function ecoTab(tabID){
	document.getElementById(tabID).style.display = 'block';
	var tabs = ['auto','house','digital'];
	for (var i=0;i<tabs.length;i++){
		if(tabID != tabs[i])
		document.getElementById(tabs[i]).style.display = 'none';
	}
}
//fashion
function fasTab(tabID){
	document.getElementById(tabID).style.display = 'block';
	var tabs = ['tourism','women','edu'];
	for (var i=0;i<tabs.length;i++){
		if(tabID != tabs[i]){
		  document.getElementById(tabs[i]).style.display = 'none';
		}
	
	}
}
//


function randomLayer() {

 var j = 1+Math.round(Math.random() *2);
 var k = 1+Math.round(Math.random() *2);
 try {
 switch(j){   
 	case 1:{    
	 document.getElementById('auto').style.display = 'block';
	 document.getElementById('house').style.display = 'none';
	 document.getElementById('digital').style.display = 'none';
 	 break;
 	}   
 	case 2:{    
	 document.getElementById('auto').style.display = 'none';
	 document.getElementById('house').style.display = 'block';
	 document.getElementById('digital').style.display = 'none';
	 break;
 	}   
 	case 3:{    
	 document.getElementById('auto').style.display = 'none';
	 document.getElementById('house').style.display = 'none';
	 document.getElementById('digital').style.display = 'block';
 	 break;   
 	}  
 }
 switch(k){   
 	case 1:{    
	 document.getElementById('tourism').style.display = 'block';
	 document.getElementById('women').style.display = 'none';
	 document.getElementById('edu').style.display = 'none';
 	 break;
 	}   
 	case 2:{    
	 document.getElementById('tourism').style.display = 'none';
	 document.getElementById('women').style.display = 'block';
	 document.getElementById('edu').style.display = 'none';
	 break;
 	}   
 	case 3:{    
	 document.getElementById('tourism').style.display = 'none';
	 document.getElementById('women').style.display = 'none';
	 document.getElementById('edu').style.display = 'block';
 	 break;   
 	}  

 }
                                                    
 }catch(e) {}
}

//style table
function styleTable() {
	if(!document && !document.getElementsByTagName) return false;
	var tbs = document.getElementsByTagName('table');
	for(var i=0; i<tbs.length; i++) {
		var table = tbs[i];
		var rows = table.getElementsByTagName('tr');
		for(var j =0; j<rows.length; j++) {
			if(j % 2 == 0) {
				rows[j].style.backgroundColor = '#fafafa';	
			}	
		}
	}
}




/*function clickBkgd() {
 try {
	 var close = document.getElementById('close');
	 var parent = close.parentNode;
	 var logo = document.getElementById('site-logo');
	 var header = document.getElementById('header');
	 var ifm = document.getElementById('iframes');
	 var timer = 500;
	 close.onclick = function(){
	   clearTimeout(times)
	   var times = setTimeout(function(){
		 document.body.style.backgroundImage = '';
		 header.style.backgroundImage = '';
		 header.style.marginTop = 5+'px';
		 parent.style.display = 'none';
		 logo.src = 'http://img04.21cn.com/www/images/2009/site_logo.gif';
		 ifm.src = 'http://guba.finance.21cn.com/other/index_calendar_1.jsp';
	   },timer)
   }
 }catch(e){}
}
  */
/*function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else var expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
  //alert('cookie written: ' + name + '=' + value);
}
 
function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}
*/

/*function chksearchURL2(){
 var skeyword = document.search21cnfrm2.keyword2.value;
 if (skeyword == ""){
  //alert("?");
  return false;
 }
  document.search21cnfrm2.action = "http://search.21cn.com/srhList_web.php?chid=www&keyword="+skeyword;
  document.search21cnfrm2.target = "_blank";
}*/