function changeFocus(parentname,childname,focus_index)
                {
                
                    for(var i=1;i<=4;i++)
                    {
                        if(i==focus_index)
                        {
                            document.getElementById("Div"+i).style.display='';
                            document.getElementById("guojia"+i).className="zhaowei";
                        }
                        else
                        {
                            document.getElementById("Div"+i).style.display='none';
                            document.getElementById("guojia"+i).className="";
                        }
                    }
//                    if(obj0.style.display=='') return;
//                    obj0.style.display='';
//                    obj1.style.display='none';
//                    var c0=s0.className;
//                    var c1=s1.className;
//                    s0.className=c1;
//                    s1.className=c0;
                }
				//.indexpage .paihang .t21,.indexpage .paihang .t22,.indexpage .paihang .t23
				function changeFocus2(divname,currentindex,count,classname)
				{
					//alert(currentindex);
					for(var i=1;i<=count;i++)
                    {
                        if(i==currentindex)
                        {
                            document.getElementById(divname+i+"child").style.display='';
                            document.getElementById(divname+i).className=classname+"_1";
                        }
                        else
                        {
                            document.getElementById(divname+i+"child").style.display='none';
                            document.getElementById(divname+i).className=classname+"_0";
                        }
                    }
				}
				function changeFocus3(divname,currentindex,count,classname)
				{
					for(var i=1;i<=count;i++)
                    {
                        if(i==currentindex)
                        {
                            document.getElementById(divname+i).className=classname+"1";
                        }
                        else
                        {
                            document.getElementById(divname+i).className=classname+"0";
                        }
                    }
				}