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>传感器安装<\/td><td>传感器类型<\/td><td>电源电压最大值<\/td><td>电源电压最小值<\/td><td>额定电流<\/td><td>共振频率<\/td><td>声压级 SPL<\/td><td>音调<\/td><\/tr><tr><td><select name='PV' id='SG2PV288' multiple><option value='288_63405'>Through Hole(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV288\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV292' multiple><option value='292_95695'>Sounder(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV292\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV510' multiple><option value='510_22286'>3.6V(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV510\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV511' multiple><option value='511_5511'>-(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV511\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV572' multiple><option value='572_57445'>90mA(1)<\/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='SG2PV720' multiple><option value='720_17719'>2.67kHz(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV720\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1370' multiple><option value='1370_49121'>90dB(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1370\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1783' multiple><option value='1783_5511'>-(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1783\");' 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;
    }
}