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>制造商<\/td><td>系列<\/td><td>零件状态<\/td><td>数据接口<\/td><td>采样率（每秒）<\/td><td>建立时间<\/td><td>位数<\/td><td>使用的 IC/零件<\/td><td>所含物品<\/td><td>DAC 类型<\/td><td>DAC 数<\/td><\/tr><tr><td><select name='PV' id='USA1PV3' multiple><option value='3_13791'>Analog Devices Inc.<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV3\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV8' multiple><option value='8_10'>-<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV8\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV16' multiple><option value='16_34000'>过期<\/option><option value='16_16'>在售<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV16\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV717' multiple><option value='717_17706'>SPI，DSP<\/option><option value='717_19821'>串行<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV717\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV718' multiple><option value='718_49424'>2.5M<\/option><option value='718_52571'>50m<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV718\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV787' multiple><option value='787_5621'>50ns<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV787\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV790' multiple><option value='790_12823'>12<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV790\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV1069' multiple><option value='1069_280973' selected='selected'>AD5443<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV1069\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV1071' multiple><option value='1071_30995'>板<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV1071\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV1456' multiple><option value='1456_11281'>电流<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV1456\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV1457' multiple><option value='1457_851'>1<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV1457\");' 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;
    }
}