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>比例因子<\/td><td>产品范围<\/td><td>带宽<\/td><td>电源电压 直流 最大<\/td><td>电源电压 直流 最小<\/td><td>速度范围<\/td><\/tr><tr><td><select name='PV' id='SG2PV147' multiple><option value='147_5511'>-(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV147\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV240' multiple><option value='240_102161'>PinPoint? 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='SG2PV338' multiple><option value='338_20027'>160Hz(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV338\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV504' multiple><option value='504_22286'>3.6V(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV504\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV505' multiple><option value='505_14723'>2.7V(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV505\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1511' multiple><option value='1511_1623'>± 900°/s(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1511\");' 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;
    }
}