var checknumcontrols = new array("tbzipcode","tbphone1","tbphone2","tbphone3","tbseedoctorageyear","tbseedoctoragemonth",
"tbfatherbearage","tbmatherbearage","tbannualincome","tbgraviditynum","tbabortionnum","tbage","tbbornweight","tbweight","tbheight",
"tbvisitweight","tbvisitheight","tbvisitbodysurfacearea","tbvisitage","tbdefectsize","tbshuntingconditionno1","tbshuntingconditionno2","tbef","tbocclusionage",
"tboperationage","tbcost","tbcost1");
for(var j=0;j<checknumcontrols.length;j)
$("#"checknumcontrols[j]).keyup(function(){$(this).val($(this).val().replace(/[^\d\.-] /,""));});