// JavaScript Document
function filterInput(filterType, evt, allowDecimal, allowCustom){
			var keyCode, Char, inputField, filter = '';
			var alpha = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ  ';
			var num   = '0123456789';
			// Get the Key Code of the Key pressed if possible else - allow
			if(window.event){
				keyCode = window.event.keyCode;	
				evt = window.event;
			}else if (evt)keyCode = evt.which;
			else return true;
			// Setup the allowed Character Set
			if(filterType == 0) filter = alpha;
			else if(filterType == 1) filter = num;
			else if(filterType == 2) filter = alpha + num;
			if(allowCustom)filter += allowCustom;
			if(filter == '')return true;
			// Get the Element that triggered the Event
			inputField = evt.srcElement ? evt.srcElement : evt.target || evt.currentTarget;
			// If the Key Pressed is a CTRL key like Esc, Enter etc - allow
			if((keyCode==null) || (keyCode==0) || (keyCode==8) || (keyCode==9) || (keyCode==13) || (keyCode==27) )return true;
			// Get the Pressed Character 
			Char = String.fromCharCode(keyCode);
			// If the Character is a number - allow
			if((filter.indexOf(Char) > -1)) return true;
			// Else if Decimal Point is allowed and the Character is '.' - allow
			else if(filterType == 1 && allowDecimal && (Char == '.') && inputField.value.indexOf('.') == -1)return true;
			else {
				switch(filterType)
				{
					case 0:
					alert('Illegal Entry! Please Enter Alphabets Only');
					return false;
					case 1:
					alert('Illegal Entry! Please Enter Numbers Only'); 
					return false;
				}
			}
		}
		function printPage() { print(document); }
		
		function validate() {
			alert('Hello');
			return false;
		}