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>类型<\/td><td>连接端口<\/td><td>适用于<\/td><td>无线<\/td><\/tr><tr><td><select name='PV' id='UK10PV2301' multiple><option value='2301_131901'>外壳(1)<\/option><\/select><br \/><span onclick='clearsel(\"UK10PV2301\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='UK10PV2327' multiple><option value='2327_86432'>RS232(1)<\/option><option value='2327_121184'>RS232, USB(3)<\/option><option value='2327_87591'>USB(3)<\/option><\/select><br \/><span onclick='clearsel(\"UK10PV2327\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='UK10PV3158' multiple><option value='3158_118520'>MCP7800(1)<\/option><\/select><br \/><span onclick='clearsel(\"UK10PV3158\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='UK10PV3631' multiple><option value='3631_131705'>是(1)<\/option><\/select><br \/><span onclick='clearsel(\"UK10PV3631\");' 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;
    }
}