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 is_defined(variable) {
return (typeof(window[variable]) == "undefined")?  false: true;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',oVal,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.title; 
	oVal=val;

		if ( test.indexOf('isSelect')!=-1 ) {
			if(oVal.selectedIndex==0) {
			errors = "Please select a value for '" + nm + "'" ;	
			oVal.focus();
			break;
			}
		}
	  
	  val=val.value;
	  // val = val.trim();
	  if(is_defined(val)) val = val.replace(/^\s*/, "").replace(/\s*$/, "");
		  
	  if (val!="") {
		if (test.indexOf('isEmail')!=-1) { 
		  if (!echeck(val)) { 
		  errors+='"' + nm + '"' + ' must contain an e-mail address.'; 
		  oVal.focus();
		  break; 
		  } // (p<1 || p==(val.length-1))
        } else if (test!='R') { 
		num = parseFloat(val);
          if (isNaN(val) && test.indexOf('isSelect')==-1 ) { 
		  errors+='Please enter a valid number for "' + nm + '"' + '.'; 
		  oVal.focus();
		  break; 
		  } // if (isNaN(val))
			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+'.'; 
			  oVal.focus();
			  break; 
			  } // if (num<min || max<num)
			} // if (test.indexOf('inRange') != -1) 
		} // else if (test!='R')
		} else if (test.charAt(0) == 'R') { 
		errors += 'It is compulsory to enter "' + nm + '"' + '.'; 
		oVal.focus();
		break; 
		} // else if (test.charAt(0) == 'R')
	} // if (val)
  } // for
  
  if (errors) {
  alert(errors);
  document.MM_returnValue = false;
  } else document.MM_returnValue = true;
}


function textCounter(field, maxlimit) {
	if (field.value.length > maxlimit) field.value = field.value.substring(0, maxlimit);
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at);
		var lstr=str.length;
		var ldot=str.indexOf(dot);
		
		if (str.indexOf(at)==-1) return false;
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr-1) return false;
		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr-1) return false;
		if (str.indexOf(at,(lat+1))!=-1) return false;
		if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot) return false;
		if (str.indexOf(dot,(lat+2))==-1) return false;		
		if (str.indexOf(" ")!=-1) return false;
 		return true;
	}