function open_div(n){
var x=document.getElementsByName("sub_menu");
if(n==undefined) {
	for (j=0;j<x.length;j++) {
		document.getElementsByName("sub_menu")[j].style.display="none";
	}
}
else
{
 	for (j=0;j<x.length;j++) {
		if (j==n) {
			document.getElementsByName("sub_menu")[j].style.display="block";
		}
		else {
		document.getElementsByName("sub_menu")[j].style.display="none";
		}
	}
}
}
function g(o){return document.getElementById(o);}
function ProductLi1(){
g("product_index_content_2").style.display="none"
g("product_index_content_3").style.display="none"
g("product_index_content_1").style.display="block"
g("product_index_1").className="product_button_1"
g("product_index_2").className="product_button_2"
g("product_index_3").className="product_button_3"
}
function ProductLi2(){
g("product_index_content_1").style.display="none"
g("product_index_content_3").style.display="none"
g("product_index_content_2").style.display="block"
g("product_index_1").className="product_button_1_on"
g("product_index_2").className="product_button_2_on"
g("product_index_3").className="product_button_3"
}
function ProductLi3(){
g("product_index_content_1").style.display="none"
g("product_index_content_2").style.display="none"
g("product_index_content_3").style.display="block"
g("product_index_1").className="product_button_1_on"
g("product_index_3").className="product_button_3_on"
g("product_index_2").className="product_button_2"
}
function SolubleLi1(){
g("soluble_index_content_2").style.display="none"
g("soluble_index_content_3").style.display="none"
g("soluble_index_content_1").style.display="block"
g("soluble_index_1").className="soluble_list_mid_bar_on"
g("soluble_index_2").className="soluble_list_mid_bar_on_1"
g("soluble_index_3").className="soluble_list_mid_bar_on_2"
}
function SolubleLi2(){
g("soluble_index_content_1").style.display="none"
g("soluble_index_content_3").style.display="none"
g("soluble_index_content_2").style.display="block"
g("soluble_index_1").className="soluble_list_mid_bar_on_0_1"
g("soluble_index_2").className="soluble_list_mid_bar_on_1_1"
g("soluble_index_3").className="soluble_list_mid_bar_on_2"
}
function SolubleLi3(){
g("soluble_index_content_1").style.display="none"
g("soluble_index_content_2").style.display="none"
g("soluble_index_content_3").style.display="block"
g("soluble_index_1").className="soluble_list_mid_bar_on_0_1"
g("soluble_index_2").className="soluble_list_mid_bar_on_1"
g("soluble_index_3").className="soluble_list_mid_bar_on_2_1"
}
function ProductlistLi(n){
//如果有N个标签,就将i<=N;
for(var i=1;i<=3;i++){g('product_content_list_menu_list_'+i).className='product_content_list_menu';g('content_list_list_text_'+i).className='content_list_list_text_dis';}g('content_list_list_text_'+n).className='content_list_list_text';g('product_content_list_menu_list_'+n).className='product_content_list_menu_on';
}
function ContactlistLi(n){
//如果有N个标签,就将i<=N;
for(var i=1;i<=3;i++){g('contact_list_bar_span_'+i).className='contact_list_bar_img';g('contact_list_bar_text_'+i).className='contact_list_bar_text_dis';}g('contact_list_bar_text_'+n).className='contact_list_bar_text';g('contact_list_bar_span_'+n).className='contact_list_bar_img_on';
}
function MaplistLi(n){
//如果有N个标签,就将i<=N;
for(var i=1;i<=3;i++){g('map_up_'+i).className='map_up_dis';}g('map_up_'+n).className='map_up';
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}