var INVALID_CHARS = new String("\\ / : * ? \" ' < > | & # ");

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 IsBlank(obj){return (GetValue(obj)=="");}

function IsEqual(obj1, obj2){return (GetValue(obj1)==GetValue(obj2));}

function IsEmail(obj, allowBlank){
	if(obj){
		var s = new String(GetValue(obj));
		var i = 1;
		var sLength = s.length;
    
		if (sLength==0) {return (allowBlank) ? true : false;} //check length
		while ((i < sLength) && (s.charAt(i) != "@")) {i++;} //find @
	
		if ((i >= sLength) || (s.charAt(i) != "@")) {return false;}
		else {i += 2;}
    
		while ((i < sLength) && (s.charAt(i) != ".")) {i++;}//find .
		if ((i >= sLength - 1) || (s.charAt(i) != ".")) {return false;}
		else {return true;} 
	} else {
		return true;
	}  
}

function IsNumeric(strString, allowBlank){
	if (strString.length == 0){return (allowBlank) ? true : false;}
	
	var strValidChars = "0123456789.,-$";
	var strChar;
	var blnResult = true;

	//  test strString consists of valid characters listed above
	for (i = 0; i < strString.length && blnResult == true; i++) {
	   strChar = strString.charAt(i);
	   if (strValidChars.indexOf(strChar) == -1){blnResult = false;}
	}
	return blnResult;
}

function GetValue(obj){
	var val = null;
	if(obj){
		var tagName = (arguments[1]!=null)? arguments[1] : obj.tagName;
			
		if(tagName==null){
			if(obj.length){return GetValue(obj, obj[0].tagName);}
		}else{
			switch(tagName){
				case "SELECT":
					if(obj.selectedIndex>-1){val = obj.options[obj.selectedIndex].value;}
					else{val = "";}
					break;

				default:
					if(obj.length){
						for(i=0;i<obj.length;i++){
							if(obj[i].checked){val=obj[i].value;break;}
						}
						if(val==null){val="";}
					}else{
						val = obj.value;
					}
					break;
			}
		}
	}
	return val;
}

function SetValue(obj, val){
	if(obj){
		switch(obj.tagName){
			case "SELECT":
				obj.selectedIndex=0;
				obj.selectedIndex=-1;

				for(so=0;so<obj.options.length;so++){
					if(obj.options[so].value==val){obj.options.selectedIndex=so;break;}
				}
				break;
			
			case "RADIO":
				if(obj.length){
					for(i=0;i<obj.length;i++){
						obj[i].checked = (obj[i].value==val) ? true : false;
					}
				}
				else{
					obj.checked = (obj.value==val) ? true : false;
				}
				break;
					
			default:
				obj.value = val;
				break;
		}
	}
	return val;
}