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>电压驻波比(VSWR)<\/td><td>输入功率<\/td><td>输入阻抗<\/td><td>天线安装<\/td><td>天线极化<\/td><td>天线类型<\/td><td>天线应用<\/td><td>增益<\/td><td>最低频率<\/td><td>最高频率<\/td><\/tr><tr><td><select name='PV' id='SG2PV240' multiple><option value='240_5511'>-(3)<\/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='SG2PV497' multiple><option value='497_5511'>-(3)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV497\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1461' multiple><option value='1461_3550'>10W(3)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1461\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1473' multiple><option value='1473_5511'>-(3)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1473\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1542' multiple><option value='1542_5511'>-(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1542\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1544' multiple><option value='1544_94037'>线性(3)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1544\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1545' multiple><option value='1545_87086'>GSM(3)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1545\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1548' multiple><option value='1548_5511'>-(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1548\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1834' multiple><option value='1834_5511'>-(3)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1834\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV2006' multiple><option value='2006_5511'>-(1)<\/option><option value='2006_40074'>850MHz(2)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV2006\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV2012' multiple><option value='2012_5511'>-(1)<\/option><option value='2012_903'>1.9GHz(1)<\/option><option value='2012_2370'>2.1GHz(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV2012\");' 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;
    }
}