function countdown_clock(year, month, day, hour, minute, format)
	         {
	         //I chose a div as the container for the timer, but
	         //it can be an input tag inside a form, or anything
	         //who's displayed content can be changed through
	         //client-side scripting.
	         html_code = '<div id="countdown_text"></div>';
	         
	         document.write(html_code);
	         
	         countdown(year, month, day, hour, minute, format);                
	         }
         
		function countdown(year, month, day, hour, minute, format)
	         {
	         Today = new Date();
	         Todays_Year = Today.getFullYear() - 2000;
	         Todays_Month = Today.getMonth();                  
	         
	         //Convert both today's date and the target date into miliseconds.                           
	         Todays_Date = (new Date(Todays_Year, Todays_Month, Today.getDate(), 
	                                 Today.getHours(), Today.getMinutes(), Today.getSeconds())).getTime();                                 
	         Target_Date = (new Date(year, month - 1, day, hour, minute, 00)).getTime();                  
	         
	         //Find their difference, and convert that into seconds.                  
	         Time_Left = Math.round((Target_Date - Todays_Date) / 1000);
	         
	         if(Time_Left < 0)
	            Time_Left = 0;
	         
	         var innerHTML = '';
	         
	         switch(format)
	               {
	               case 0:
	                    //The simplest way to display the time left.
	                    innerHTML = Time_Left + ' seconds';
	                    break;
	               case 1:
	                    //More datailed.
	                    days = Math.floor(Time_Left / (60 * 60 * 24));
	                    Time_Left %= (60 * 60 * 24);
	                    hours = Math.floor(Time_Left / (60 * 60));
	                    Time_Left %= (60 * 60);
	                    minutes = Math.floor(Time_Left / 60);
	                    Time_Left %= 60;
	                    seconds = Time_Left;
	                    
	                    dps = 's'; hps = 's'; mps = 's'; sps = 's';
	                    //ps is short for plural suffix.
	                    if(days == 1) dps ='';
	                    if(hours == 1) hps ='';
	                    if(minutes == 1) mps ='';
	                    if(seconds == 1) sps ='';
	                    
	                    innerHTML = 'Just ';
						innerHTML += days + ' day' + dps + ' ';
	                    innerHTML += hours + ' hour' + hps + ', ';
	                    innerHTML += minutes + ' minute' + mps + ' and ';
	                    innerHTML += seconds + ' second' + sps;
						innerHTML += ' until we begin!';
	                    break;
	               default: 
	                    innerHTML = Time_Left + ' seconds';
	               }                   
	                    
	            document.getElementById('countdown').innerHTML = innerHTML;     
	               
	         //Recursive call, keeps the clock ticking.
	         setTimeout('countdown(' + year + ',' + month + ',' + day + ',' + hour + ',' + minute + ',' + format + ');', 1000);
	         }
			 
			 
			 function isValidEmail(strEmail){
			  validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
			  strEmail = document.forms[0].Contact0Email.value;

			   // search email text for regular exp matches
			    if (strEmail.search(validRegExp) == -1) 
			   {
			      alert('Please enter a valid email address!');
			      return false;
			    } 
			    return true; 
			}

			function check(form){
				if (isValidEmail(form.Contact0Email)){
				  return true;
				}
				return false;
			}