var ns4 = (document.layers)
var msie = ((navigator.appName.indexOf("Microsoft") >= 0) && (navigator.appVersion.indexOf("Win") >= 0))
var ie = (navigator.appName.indexOf("Microsoft") >= 0)
var ns6 = ((navigator.appName.indexOf("Netscape") >= 0) && (parseInt(navigator.appVersion) >= 5))
var mac = (navigator.appVersion.indexOf("Mac") >= 0)
var msMac = ((navigator.appName.indexOf("Microsoft") >= 0) && (navigator.appVersion.indexOf("Mac") >= 0))
var ns408 = ((navigator.appName.indexOf("Netscape") >= 0) &&(navigator.appVersion.substring(0,4) == "4.08"))
////////////////////////////////////////////////////////////////////////////////////////////////////////


	


//////////////////////////////////////////////Form validation/////////////////////////////////////////

function checkForm(form)
 {
 		var errors = "The form you submitted is incomplete.\n"
		
		 if (ie)
		  {
			 
				if (f1.first_name.value == "")
				 {
				   errors += "Please enter your first name.\n"
				 } 
				if (f1.last_name.value == "") 
				{
				   errors += "Please enter your last name.\n"
				} 
				if (f1.email.value == "") 
				{
				   errors += "Please enter your e-mail address.\n"
				} 

				if ((f1.first_name.value == "") || (f1.last_name.value == "") || (f1.email.value == ""))
				{
				   alert(errors)
				   return false
				}
				
 			}
			
	 		else if (ns4) 
			{
				
			    if (document.layers.main.document.f1.first_name.value == "")
				{
				   errors += "Please enter your first name.\n"
				} 
				if (document.layers.main.document.f1.last_name.value == "") 
				{
				   errors += "Please enter your last name.\n"
				}
				if (document.layers.main.document.f1.email.value == "") 
				{
				   errors += "Please enter your e-mail address.\n"
				} 

				if ((document.layers.main.document.f1.first_name.value == "") || (document.layers.main.document.f1.last_name.value == "") || (document.layers.main.document.f1.email.value == "")) 
				{
				   alert(errors)
				   return false
				} 
							   
 			} 
			
 			else if (ns6) 
			{
				
			 	if (document.forms[0].first_name.value == "")
				{
				   errors += "Please enter your first name.\n"
				} 
				if (document.forms[0].last_name.value == "") 
				{
				   errors += "Please enter your last name.\n"
				} 
				if (document.forms[0].email.value == "") 
				{
				   errors += "Please enter your e-mail address.\n"
				} 

				if ((document.forms[0].first_name.value == "") || (document.forms[0].last_name.value == "") || (document.forms[0].email.value == "")) 
				{
				   alert(errors)
				   return false
				} 		
			 }
			 
	return true //false
}



//////////////////////////////////////////////Email validation////////////////////////////////////////

	
function checkEmail() 
{
		var re = /\b\w+[@]{1}\w+[.]{1}\w+\b/
		if (ie) 	  {var myEmail = f1.email.value } 
		else if (ns4) {var myEmail = document.layers.main.document.f1.email.value} 
		else if (ns6) {var myEmail = document.forms[0].email.value}
		
		if (re.test(myEmail) != 1) 
		{
			alert("The e-mail address you provided contains formatting errors. E-mail addresses should follow this format: joe@address.com")
			if (ie) 
			{
				f1.email.focus()
			} 
			else if (ns4) 
			{
				document.layers.main.document.f1.email.focus()
			} 
			else if (ns6) 
			{
				document.forms[0].email.focus()
			}
		}
		else 
		{  
			
		}
}

///////////////////////////////////////////  OPEN CALENDAR WINDOW/////////////////////////////////////////////


function openCalendar()
{
	CalendarWin=window.open('calendar.asp',"calendar",'toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=1,width=788,height=562');
}


/////////////////////////////////////////  VALIDATE DATE ////////////////////////////////////////////////////

function validateDate(strDate)
{ 
		if (new Date(strDate) == 'NaN') 
		{
			alert('That does not appear to be a validate date, please try again')
		} 
}