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>封装/外壳<\/td><td>制造商<\/td><td>安装类型<\/td><td>工作温度<\/td><td>类型<\/td><td>系列<\/td><td>零件状态<\/td><td>电压 - 电源<\/td><td>供应商器件封装<\/td><td>配套使用产品/相关产品<\/td><td>备注<\/td><td>I/O 数<\/td><td>LAB/CLB 数<\/td><td>逻辑元件/单元数<\/td><td>总 RAM 位数<\/td><td>内容<\/td><\/tr><tr><td><select name='PV' id='USA1PV2' multiple><option value='2_47139'>144-LQFP 裸露焊盘<\/option><option value='2_80074'>153-VFBGA<\/option><option value='2_36691'>169-LFBGA<\/option><option value='2_37237'>256-LBGA<\/option><option value='2_40516'>324-LFBGA<\/option><option value='2_36000'>36-UFBGA，WLCSP<\/option><option value='2_52446'>484-BGA<\/option><option value='2_86492'>672-BGA<\/option><option value='2_131572'>81-UFBGA，WLCSP<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV2\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV3' multiple><option value='3_69293'>Altera<\/option><option value='3_51297'>Terasic 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='USA1PV4' multiple><option value='4_4'>表面贴装<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV4\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV6' multiple><option value='6_421'>0°C ~ 85°C<\/option><option value='6_28428'>0°C ~ 85°C（TJ）<\/option><option value='6_31788'>-40°C ~ 100°C（TJ）<\/option><option value='6_2823'>-40°C ~ 125°C （TJ）<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV6\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV7' multiple><option value='7_48190'>FPGA<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV7\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV8' multiple><option value='8_53220' selected='selected'>MAX? 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_80'> 已不再提供<\/option><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='USA1PV21' multiple><option value='21_47526'>1.15 V ~ 1.25 V<\/option><option value='21_79367'>2.85 V ~ 3.465 V<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV21\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV28' multiple><option value='28_79522'>144-EQFP（20x20）<\/option><option value='28_80073'>153-MBGA（8x8）<\/option><option value='28_79368'>169-UBGA（11x11）<\/option><option value='28_81841'>256-FBGA（17x17）<\/option><option value='28_83181'>324-UBGA（15x15）<\/option><option value='28_74150'>36-WLCSP（3x3）<\/option><option value='28_50403'>484-FBGA（23x23）<\/option><option value='28_86491'>672-FBGA（27x27）<\/option><option value='28_138660'>81-VBGA，WLCSP（4.5x4.4）<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV28\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV159' multiple><option value='159_53219'>MAX? 10<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV159\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV378' multiple><option value='378_10'>-<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV378\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV633' multiple><option value='633_34587'>101<\/option><option value='633_41918'>112<\/option><option value='633_29142'>130<\/option><option value='633_25347'>160<\/option><option value='633_83275'>178<\/option><option value='633_83180'>246<\/option><option value='633_23625'>250<\/option><option value='633_14295'>27<\/option><option value='633_52032'>320<\/option><option value='633_55467'>360<\/option><option value='633_24384'>500<\/option><option value='633_12954'>56<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV633\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV1046' multiple><option value='1046_30644'>1000<\/option><option value='1046_42112'>125<\/option><option value='1046_85485'>1563<\/option><option value='1046_23625'>250<\/option><option value='1046_83678'>2500<\/option><option value='1046_85731'>3125<\/option><option value='1046_24384'>500<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV1046\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV1047' multiple><option value='1047_84987'>16000<\/option><option value='1047_49967'>2000<\/option><option value='1047_85047'>25000<\/option><option value='1047_49542'>4000<\/option><option value='1047_54020'>40000<\/option><option value='1047_39416'>50000<\/option><option value='1047_45498'>8000<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV1047\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV1097' multiple><option value='1097_51368'>110592<\/option><option value='1097_86006'>1290240<\/option><option value='1097_85730'>1677312<\/option><option value='1097_80852'>193536<\/option><option value='1097_81528'>387072<\/option><option value='1097_84988'>562176<\/option><option value='1097_85484'>691200<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV1097\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV1104' multiple><option value='1104_30995'>板<\/option><option value='1104_44820'>板，电缆<\/option><option value='1104_54414'>板，电缆，电源<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV1104\");' 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;
    }
}