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>LDO调节器封装类型<\/td><td>MSL<\/td><td>RF / IF 调制<\/td><td>产品范围<\/td><td>串联电池数<\/td><td>电池充电电压<\/td><td>电池管理功能<\/td><td>电池集成电路封装类型<\/td><td>电池类型<\/td><td>电机类型<\/td><td>电源电压范围<\/td><td>电源电压最大值<\/td><td>电源电压最小值<\/td><td>放大器封装类型<\/td><td>放大器类别<\/td><td>封装<\/td><td>封装类型<\/td><td>负载阻抗<\/td><td>工作温度最高值<\/td><td>工作温度最小值<\/td><\/tr><tr><td><select name='PV' id='SG2PV51' multiple><option value='51_91852'>SOIC<\/option><option value='51_74908'>SOT-223<\/option><option value='51_85739'>SOT-23<\/option><option value='51_62906'>TO-220<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV51\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV69' multiple><option value='69_5511'>-<\/option><option value='69_54384'>MSL 1 - Unlimited<\/option><option value='69_86172'>MSL 1 -无限制<\/option><option value='69_77429'>MSL 2 - 1 year<\/option><option value='69_89947'>MSL 2 - 1年<\/option><option value='69_71951'>MSL 3 - 168 hours<\/option><option value='69_89948'>MSL 3 - 168小时<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV69\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV81' multiple><option value='81_58249'>ASK, FSK<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV81\");' 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'>-<\/option><option value='240_18479'>3.3V 100mA LDO Voltage Regulators<\/option><option value='240_18482'>3.3V 1A LDO Voltage Regulators<\/option><option value='240_23476'>3.3V 800mA LDO Voltage Regulators<\/option><option value='240_39691'>5V 150mA LDO Voltage Regulators<\/option><option value='240_34381'>5V 500mA LDO Voltage Regulators<\/option><option value='240_36447'>7805 Voltage Regulators<\/option><option value='240_36450'>7808 Voltage Regulators<\/option><option value='240_41353'>7809 Voltage Regulators<\/option><option value='240_42762'>7812 Voltage Regulators<\/option><option value='240_41377'>7909 Voltage Regulators<\/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='SG2PV301' multiple><option value='301_12639'>2<\/option><option value='301_22794'>4<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV301\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV387' multiple><option value='387_28668'>2V<\/option><option value='387_24066'>4.2V<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV387\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV391' multiple><option value='391_78740'>电量计<\/option><option value='391_80051'>燃油表<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV391\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV393' multiple><option value='393_54538'>NSOIC<\/option><option value='393_85732'>SON<\/option><option value='393_64095'>TSSOP<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV393\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV395' multiple><option value='395_100965'>Li-Ion, 锂聚合物<\/option><option value='395_79516'>锂离子、锂聚合物<\/option><option value='395_76221'>锂离子、锂聚合物、镍镉、镍氢<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV395\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV407' multiple><option value='407_86850'>步进<\/option><option value='407_104094'>步进器<\/option><option value='407_80419'>全桥<\/option><option value='407_97444'>三相直流无刷<\/option><option value='407_97501'>双向<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV407\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV508' multiple><option value='508_23448'>3.1V 至 3.6V<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV508\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV510' multiple><option value='510_10727'>12V<\/option><option value='510_4421'>13.2V<\/option><option value='510_25758'>28V<\/option><option value='510_29131'>3.4V<\/option><option value='510_35337'>36V<\/option><option value='510_24115'>4.5V<\/option><option value='510_31741'>5.5V<\/option><option value='510_27138'>50V<\/option><option value='510_35153'>5V<\/option><option value='510_55922'>9V<\/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_8395'>1.2V<\/option><option value='511_2460'>2.4V<\/option><option value='511_14678'>2.5V<\/option><option value='511_27655'>2.6V<\/option><option value='511_14723'>2.7V<\/option><option value='511_28668'>2V<\/option><option value='511_31440'>3.2V<\/option><option value='511_24010'>3V<\/option><option value='511_24115'>4.5V<\/option><option value='511_30104'>4.6V<\/option><option value='511_57360'>8V<\/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='SG2PV620' multiple><option value='620_71955'>MSOP<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV620\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV622' multiple><option value='622_5511'>-<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV622\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV650' multiple><option value='650_77305'>Each<\/option><option value='650_76113'>剪切带<\/option><option value='650_93651'>每个<\/option><option value='650_91004'>纸带和纸轮<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV650\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV651' multiple><option value='651_64095'>TSSOP<\/option><option value='651_103796'>VQFN<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV651\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV668' multiple><option value='668_5511'>-<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV668\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV711' multiple><option value='711_4309'>120°C<\/option><option value='711_48506'>70°C<\/option><option value='711_42697'>75°C<\/option><option value='711_48053'>80°C<\/option><option value='711_48960'>85°C<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV711\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV712' multiple><option value='712_25225' selected='selected'>-20°C<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV712\");' 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++)
    {
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}