var changeInfoNum;
function changeInfo1(no)
{	
	//1-4分别为领导讲话、政务新闻，领导分工、重要文件
	   if(no == 1)
		{		    
			
			document.getElementById("A_T_1").background="pic/pic_bg13.gif";
			document.getElementById("A_T_2").background="pic/pic_bg16.gif";		
			
			
			
			document.getElementById("A_1").style.display = "";
			document.getElementById("A_2").style.display = "none";
			

		}
		
	   if(no == 2)
		{		    
			document.getElementById("A_T_1").background="pic/pic_bg17.gif";
			document.getElementById("A_T_2").background="pic/pic_bg15.gif";
		
			
			
			document.getElementById("A_1").style.display = "none";
			document.getElementById("A_2").style.display = "";
		}
		
	   if(no == 3)
		{		    
			document.getElementById("A_T_3").background="pic/pic_bg18.gif";
			document.getElementById("A_T_4").background="pic/pic_bg19.gif";
	
			
			
			document.getElementById("A_3").style.display = "";
			document.getElementById("A_4").style.display = "none";
		}
		
	 
		if(no == 4)
			{		    
			document.getElementById("A_T_3").background="pic/pic_bg20.gif";
			document.getElementById("A_T_4").background="pic/pic_bg21.gif";
		
			
			
			document.getElementById("A_3").style.display = "none";
			document.getElementById("A_4").style.display = "";
						
			}
		
		
			
		 
}

function setDelayTime1(no,Dtime){
	changeInfoNum=setTimeout("changeInfo1("+no+")",Dtime);
}

function setClearnTime1(){
	clearTimeout(changeInfoNum);
}