//------------------- for clearing and replacing text in form input fields and textareas -------------------//



function clearText(thefield) {



  if (thefield.defaultValue==thefield.value) { thefield.value = "" }



} 



function replaceText(thefield) {



  if (thefield.value=="") { thefield.value = thefield.defaultValue }



}











//------------------- Form Validation -------------------//



function MM_findObj(n, d) { //v4.01



  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {



    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}



  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];



  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);



  if(!x && d.getElementById) x=d.getElementById(n); return x;



}







function MM_validateForm() { //v4.0



  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;



  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);



    if (val) { nm=val.name; if ((val=val.value)!="") {



      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');



        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';



      } else if (test!='R') { num = parseFloat(val);



        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';



        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');



          min=test.substring(8,p); max=test.substring(p+1);



          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';



    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }



  } if (errors) alert('The following error(s) occurred:\n'+errors);



  document.MM_returnValue = (errors == '');



}