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>长度<\/td><td>过滤材料<\/td><td>宽度<\/td><td>滤波类型<\/td><\/tr><tr><td><select name='PV' id='SG2PV240' multiple><option value='240_5511'>-(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='SG2PV242' multiple><option value='242_24459'>48mm(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV242\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV773' multiple><option value='773_5511'>-(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV773\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1041' multiple><option value='1041_31007'>50mm(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1041\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='SG2PV1096' multiple><option value='1096_5511'>-(1)<\/option><\/select><br \/><span onclick='clearsel(\"SG2PV1096\");' 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;
    }
}