// JavaScript Document

function js_1b()
        {
            document.getElementById("js_1b").style.display="";
            document.getElementById("js_2b").style.display="none";
        
            document.getElementById("tit1b").style.backgroundImage="url(./images/tit_bg1.gif)";	
			document.getElementById("tit2b").style.backgroundImage="url(./images/tit_bg2.gif)";
			
        }


function js_2b()
        {
            document.getElementById("js_1b").style.display="none";
            document.getElementById("js_2b").style.display="";
       
            document.getElementById("tit1b").style.backgroundImage="url(./images/tit_bg2.gif)";	
			document.getElementById("tit2b").style.backgroundImage="url(./images/tit_bg1.gif)";
			
        }


function js_1()
        {
            document.getElementById("js_1").style.display="";
            document.getElementById("js_2").style.display="none";
            document.getElementById("js_3").style.display="none";
			document.getElementById("js_4").style.display="none";
            document.getElementById("tit1").style.backgroundImage="url(./images/tit_bg1.gif)";	
			document.getElementById("tit2").style.backgroundImage="url(./images/tit_bg2.gif)";
			document.getElementById("tit3").style.backgroundImage="url(./images/tit_bg2.gif)";
			document.getElementById("tit4").style.backgroundImage="url(./images/tit_bg2.gif)";	
        }


function js_2()
        {
            document.getElementById("js_1").style.display="none";
            document.getElementById("js_2").style.display="";
            document.getElementById("js_3").style.display="none";
			document.getElementById("js_4").style.display="none";
            document.getElementById("tit1").style.backgroundImage="url(./images/tit_bg2.gif)";	
			document.getElementById("tit2").style.backgroundImage="url(./images/tit_bg1.gif)";
			document.getElementById("tit3").style.backgroundImage="url(./images/tit_bg2.gif)";
			document.getElementById("tit4").style.backgroundImage="url(./images/tit_bg2.gif)";	
        }

function js_3()
        {
            document.getElementById("js_1").style.display="none";
            document.getElementById("js_2").style.display="none";
            document.getElementById("js_3").style.display="";
			document.getElementById("js_4").style.display="none";
            document.getElementById("tit1").style.backgroundImage="url(./images/tit_bg2.gif)";	
			document.getElementById("tit2").style.backgroundImage="url(./images/tit_bg2.gif)";
			document.getElementById("tit3").style.backgroundImage="url(./images/tit_bg1.gif)";
			document.getElementById("tit4").style.backgroundImage="url(./images/tit_bg2.gif)";	
        }
		

function js_4()
        {
            document.getElementById("js_1").style.display="none";
            document.getElementById("js_2").style.display="none";
            document.getElementById("js_3").style.display="none";
			document.getElementById("js_4").style.display="";
            document.getElementById("tit1").style.backgroundImage="url(./images/tit_bg2.gif)";	
			document.getElementById("tit2").style.backgroundImage="url(./images/tit_bg2.gif)";
			document.getElementById("tit3").style.backgroundImage="url(./images/tit_bg2.gif)";
			document.getElementById("tit4").style.backgroundImage="url(./images/tit_bg1.gif)";	
        }



/*********音乐滑动开始**********/

function yinyue_js1()
        {
            document.getElementById("yinyue_js1").style.display="";
            document.getElementById("yinyue_js2").style.display="none";
            document.getElementById("yinyue_js3").style.display="none";
			document.getElementById("yinyue1").style.color="#FFF";
			document.getElementById("yinyue1").style.background="#ff7e00";
			document.getElementById("yinyue2").style.color="#e99900";
			document.getElementById("yinyue2").style.background="";
			document.getElementById("yinyue3").style.color="#e99900";
			document.getElementById("yinyue3").style.background="";
        }

function yinyue_js2()
        {
            document.getElementById("yinyue_js1").style.display="none";
            document.getElementById("yinyue_js2").style.display="";
            document.getElementById("yinyue_js3").style.display="none";
			document.getElementById("yinyue1").style.color="#e99900";
			document.getElementById("yinyue1").style.background="";
			document.getElementById("yinyue2").style.color="#FFF";
			document.getElementById("yinyue2").style.background="#ff7e00";
			document.getElementById("yinyue3").style.color="#e99900";
			document.getElementById("yinyue3").style.background="";
        }

function yinyue_js3()
        {
            document.getElementById("yinyue_js1").style.display="none";
            document.getElementById("yinyue_js2").style.display="none";
            document.getElementById("yinyue_js3").style.display="";
			document.getElementById("yinyue1").style.color="#e99900";
			document.getElementById("yinyue1").style.background="";
			document.getElementById("yinyue2").style.color="#e99900";
			document.getElementById("yinyue2").style.background="";
			document.getElementById("yinyue3").style.color="#FFF";
			document.getElementById("yinyue3").style.background="#ff7e00";
        }
        
        
        
        function js_11()
        {
            document.getElementById("js_11").style.display="";
            document.getElementById("js_22").style.display="none";
            document.getElementById("js_33").style.display="none";
            document.getElementById("tit11").style.backgroundImage="url(./images/tit_bg1.gif)";	
			document.getElementById("tit22").style.backgroundImage="url(./images/tit_bg2.gif)";
			document.getElementById("tit33").style.backgroundImage="url(./images/tit_bg2.gif)";
		
        }


function js_12()
        {
            document.getElementById("js_11").style.display="none";
            document.getElementById("js_22").style.display="";
            document.getElementById("js_33").style.display="none";
            document.getElementById("tit11").style.backgroundImage="url(./images/tit_bg2.gif)";	
			document.getElementById("tit22").style.backgroundImage="url(./images/tit_bg1.gif)";
			document.getElementById("tit33").style.backgroundImage="url(./images/tit_bg2.gif)";
        }

function js_13()
        {
            document.getElementById("js_11").style.display="none";
            document.getElementById("js_22").style.display="none";
            document.getElementById("js_33").style.display="";
            document.getElementById("tit11").style.backgroundImage="url(./images/tit_bg2.gif)";	
			document.getElementById("tit22").style.backgroundImage="url(./images/tit_bg2.gif)";
			document.getElementById("tit33").style.backgroundImage="url(./images/tit_bg1.gif)";
        }