function validate(_this)
 {
	
	var valid = "";
	
 	if (validateText( formx.name.value.replace(";","_") ) ) 		
		valid += "- Name\n";
	if (validateText( formx.tel_no.value.replace(";","_") ) ) 		
		valid += "- Contact Number\n";	
	if (validateEmail(formx.email.value.replace(";","_"))) 		
		valid += "- Email\n";	
	if (validateText( formx.address.value.replace(";","_") ) ) 		
		valid += "- Address\n";
	if (validateText( formx.post_code.value.replace(";","_") ) ) 		
		valid += "- Post Code\n";
	if (validateText( formx.date.value.replace(";","_") ) ) 		
		valid += "- Date Required\n";
	if (formx.event_type.selectedIndex == 0 )	
		valid += "- Type of event\n";
	if (formx.venue.selectedIndex == 0 )	
		valid += "- Venue\n";
	if (formx.no_guests.selectedIndex == 0 )	
		valid += "- Number of Guests\n";
	if (formx.start_time.selectedIndex == 0 )	
		valid += "- Start Time\n";
	if (formx.finish_time.selectedIndex == 0 )	
		valid += "- Finish Time\n";
	if (formx.budget.selectedIndex == 0 )	
		valid += "- Budget\n";
	if (formx.drinks.selectedIndex == 0 )	
		valid += "- Drinks available\n";
	if (formx.package.selectedIndex == 0 )	
		valid += "- Package\n";
	if (formx.bar.selectedIndex == 0 )	
		valid += "- Bar Required\n";
	if (formx.hear.selectedIndex == 0 )	
		valid += "- How did you hear about us\n";
		

	//alert(valid);
	
	if(valid == "")
	{
		formx.submit();
		return true;
	}
	else
	{
		alert("Please enter the following details\n\n" + valid);
		return false;
	}
}

function validateEmail(text)
{
	//alert("1 "+text);
	
	return !echeck(text);
}

function validateText(text)
{
	//alert("2 "+text);
	
	if (trim(text) == "") return true;
	return false;
}



function trim(sString) 
{
	//alert("3 "+sString);
	
	while (sString.substring(0,1) == ' ')
	{
		sString = sString.substring(1, sString.length);
	}
	while (sString.substring(sString.length-1, sString.length) == ' ')
	{
		sString = sString.substring(0,sString.length-1);
	}
	return sString;
}


function echeck(str) {

		//alert("4 "+str);
		
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }

		 if (ldot == lstr-1){
			return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
	}