function changeInfo_news(no)
{	
	//1-3分别为综合新闻，公示公告，百姓看点
	   if(no == 1)
		{		    
			
			document.getElementById("News_T_1").background="images/news1_1.gif";
			document.getElementById("News_T_2").background="images/news2_2.gif";
			document.getElementById("News_T_3").background="images/news3_2.gif";
			document.getElementById("News_T_4").background="images/news4_2.gif";					                         
			                         
			                         
			document.getElementById("News_1").style.display = "";
			document.getElementById("News_2").style.display = "none";
			document.getElementById("News_3").style.display = "none";
			document.getElementById("News_4").style.display = "none";			
			                         
                               
		}                          
		                           
	   if(no == 2)               
		{		                       
			document.getElementById("News_T_1").background="images/news1_2.gif";
			document.getElementById("News_T_2").background="images/news2_1.gif";
			document.getElementById("News_T_3").background="images/news3_2.gif";
			document.getElementById("News_T_4").background="images/news4_2.gif";			
			                         
			                         
			                         
			document.getElementById("News_1").style.display = "none";
			document.getElementById("News_2").style.display = "";
			document.getElementById("News_3").style.display = "none";
			document.getElementById("News_4").style.display = "none";				
		}                          
		                           
	   if(no == 3)               
		{		                       
			document.getElementById("News_T_1").background="images/news1_2.gif";
			document.getElementById("News_T_2").background="images/news2_2.gif";
			document.getElementById("News_T_3").background="images/news3_1.gif";
			document.getElementById("News_T_4").background="images/news4_2.gif";				
			                         
			                         
			                         
			document.getElementById("News_1").style.display = "none";
			document.getElementById("News_2").style.display = "none";
			document.getElementById("News_3").style.display = "";
			document.getElementById("News_4").style.display = "none";				
		}                          

	   if(no == 4)               
		{		                       
			document.getElementById("News_T_1").background="images/news1_2.gif";
			document.getElementById("News_T_2").background="images/news2_2.gif";
			document.getElementById("News_T_3").background="images/news3_2.gif";
			document.getElementById("News_T_4").background="images/news4_1.gif";				
			                         
			                         
			                         
			document.getElementById("News_1").style.display = "none";
			document.getElementById("News_2").style.display = "none";
			document.getElementById("News_3").style.display = "none";
			document.getElementById("News_4").style.display = "";				
		} 
}
function setDelayTime_news(no,Dtime){
	changeInfoNum_SN=setTimeout("changeInfo_news("+no+")",Dtime);
}

function setClearnTime_news(){
	clearTimeout(changeInfoNum_SN);
}