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>产品范围<\/td><td>封装<\/td><td>隔离电压<\/td><td>光电耦合器封装类型<\/td><td>数据率<\/td><td>通道数<\/td><td>针脚数<\/td><\/tr><tr><td><select name='PV' id='SG2PV240' multiple><option value='240_5511'>-<\/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='SG2PV650' multiple><option value='650_76113'>剪切带<\/option><option value='650_93651'>每个<\/option><option value='650_90989'>整卷<\/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='SG2PV695' multiple><option value='695_25968'>3.75kV<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV695\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV737' multiple><option value='737_91852'>SOIC<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV737\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1480' multiple><option value='1480_11351'>15Mbaud<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1480\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1555' multiple><option value='1555_22164'>2通道<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1555\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1848' multiple><option value='1848_48232'>8引脚<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1848\");' 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;
    }
}