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>变压器安装<\/td><td>产品范围<\/td><td>输入电流<\/td><td>匝数比<\/td><td>最低频率<\/td><td>最高频率<\/td><\/tr><tr><td><select name='PV' id='SG2PV157' multiple><option value='157_5511'>-(5)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV157\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV240' multiple><option value='240_85314'>SCT-0400 Series(3)<\/option><option value='240_58121'>SCT-0750 Series(1)<\/option><option value='240_102775'>SCT-1250 Series(1)<\/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='SG2PV1449' multiple><option value='1449_21528'>200A(1)<\/option><option value='1449_23170'>25A(1)<\/option><option value='1449_31824'>50A(1)<\/option><option value='1449_35131'>5A(2)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1449\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1829' multiple><option value='1829_5511'>-(5)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1829\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV2006' multiple><option value='2006_30999'>50Hz(5)<\/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_17207'>1000Hz(1)<\/option><option value='2012_16574'>1kHz(1)<\/option><option value='2012_30173'>400Hz(3)<\/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;
    }
}