//*******************************************************************
			// Added by Ruchika Abbi on 11/14/2005								*
			// Disable the firing of default ImageButton click event			*
			// on pressing enter key											*
			//*******************************************************************
			
			if(document.addEventListener)
			{ 
				document.addEventListener("keypress", HandleEnterKey, true); 
			} 
			else
			{ 
				document.attachEvent("onkeypress", HandleEnterKey); 
			} 


			// Handle the enter key for a section of a form, binding it to the provided submit buton 
			function HandleEnterKey(event)
			{ 
				var nav = window.Event ? true : false; 
				if (nav)
				{ 
					//alert('Netscape or FireFox');
					return NetscapeEventHandler_KeyDown(event);
				}
				else
				{ 
					//alert('Internet Explorer');
					return MicrosoftEventHandler_KeyDown(); 
				} 
			} 

			function NetscapeEventHandler_KeyDown(e)
			{ 
			    
				if (e.which == 13 && e.target.type != 'textarea' && e.target.type != 'submit')
				{ 
					//alert('Netscape or FireFox Enter Key');
					//alert(e.target.name);
					if (e.target.name.indexOf('txtZip') >= 0 || e.target.name.indexOf('miles') >= 0
					    ||e.target.name.indexOf('DentistName') >= 0 || e.target.name.indexOf('OfficeName') >= 0)
			        {
			            document.getElementById("CtrlDirectorySearch1_cmdFindDentist").click();
				        return false;
			        }
					e.returnValue = false; 
					e.cancel = true; 
					e.preventDefault(); 
					var att = e.target.attributes['SubmitControl']; 
					if(att!=null) 
					CallSubmit(att.value) 
					return false; 
				} 
				return true; 
			} 

			function MicrosoftEventHandler_KeyDown()
			{ 
				if (event.keyCode == 13 && event.srcElement.type != 'textarea' && event.srcElement.type != 'submit')
				{ 
					event.returnValue = false; 
					event.cancel = true; 
					var att = event.srcElement.attributes['SubmitControl']; 
					if(att!=null) 
					CallSubmit(att.value) 
					return false; 
				} 
				return true; 
			}