document.getElementById("div_canshu").innerHTML="<div style='font-weight:bold; font-size:13px;'>规格选型<\/div><div style='width:700px;overflow-x:scroll;'><table><tr style='white-space:nowrap;'><td>产品范围<\/td><td>端口类型<\/td><td>端口数<\/td><td>额定电流<\/td><td>计算机接口<\/td><td>输入电压类型<\/td><td>网络速度<\/td><td>以太网交换机安装<\/td><td>以太网交换机类型<\/td><td>以太网交换机应用<\/td><td>转换至<\/td><td>转换自<\/td><\/tr><tr><td><select name='PV' id='SG2PV240' multiple><option value='240_5511'>-(26)<\/option><option value='240_56760'>ADAM 6520 Series(2)<\/option><option value='240_67820'>EKI-2528 Series(1)<\/option><option value='240_63174'>EKI-2701 Series(1)<\/option><option value='240_67821'>EKI-2728 Series(1)<\/option><option value='240_65586'>WISE-4000 Series(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV240\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV560' multiple><option value='560_57728'>RJ45 x 5(2)<\/option><option value='560_74049'>RJ45 x 8(2)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV560\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV561' multiple><option value='561_13583'>2端口(1)<\/option><option value='561_24975'>5端口(2)<\/option><option value='561_40181'>8端口(2)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV561\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV572' multiple><option value='572_5511'>-(14)<\/option><option value='572_10318'>100mA(1)<\/option><option value='572_21193'>1A(1)<\/option><option value='572_27799'>20mA(6)<\/option><option value='572_35131'>5A(2)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV572\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV837' multiple><option value='837_54724'>PCI(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV837\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1456' multiple><option value='1456_96485'>VDC(5)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1456\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1620' multiple><option value='1620_9446'>10Mbps, 100Mbps(3)<\/option><option value='1620_3523'>10Mbps, 100Mbps, 1Gbps(2)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1620\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1777' multiple><option value='1777_84172'>DIN Rail / Stack / Wall(2)<\/option><option value='1777_67321'>DIN Rail / Wall(3)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1777\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1778' multiple><option value='1778_44409'>Gigabit PoE Ethernet(1)<\/option><option value='1778_92543'>Unmanaged Fast Ethernet(3)<\/option><option value='1778_103688'>Unmanaged Gigabit Ethernet(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1778\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1779' multiple><option value='1779_100699'>Industrial(5)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1779\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1938' multiple><option value='1938_102657'>RS422/485(1)<\/option><option value='1938_102658'>RS-422/485(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1938\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1942' multiple><option value='1942_59146'>RS232(2)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1942\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><\/tr><\/table><\/div>";
function clearsel(nameid)
{
var PV=document.getElementById(nameid);
	for(var i=0;i<PV.length;i++)
    {
    	if(PV[i].selected==true)
        	PV[i].selected=false;
    }
}