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>IP密封等级<\/td><td>USB标准<\/td><td>USB连接器转换至<\/td><td>USB连接器转换自<\/td><td>产品范围<\/td><\/tr><tr><td><select name='PV' id='SG2PV47' multiple><option value='47_5511'>-(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV47\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV92' multiple><option value='92_103699'>USB 2.0(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV92\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV96' multiple><option value='96_94277'>微型USB B 插座(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV96\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV97' multiple><option value='97_96433'>USB C 插头(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV97\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV240' multiple><option value='240_5511'>-(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV240\");' 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;
    }
}