function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid email address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid email address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid email address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid email address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid email address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid email address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid email address")
		    return false
		 }

 		 return true					
	}

function validate() {

var string2 = document.mform.fname.value;
	fcheck=document.mform.fcheck.value
	fcheck2=document.mform.fcheck2.value

if (!string2) { 
 alert ("Please enter your name!"); 
return false;
}

var iChars = "*|,\":<>[]{}`';()&$#%£/";
for (var i = 0; i < string2.length; i++) {
if (iChars.indexOf(string2.charAt(i)) != -1){
 alert (string2 + " contains illegal characters!"); 
 document.mform.fname.focus(); 
return false;
}
} 

var string = document.mform.femail.value;

 	if (fcheck != fcheck2)
		{
		alert("Please enter the validation word "+ fcheck +" in the box provided.")
		document.mform.femail.focus()
		return false
		}	

var iChars = "*|,\":<>[]{}`';()&$#%£/";
for (var i = 0; i < string.length; i++) {
if (iChars.indexOf(string.charAt(i)) != -1){
 alert (string + " contains illegal characters!"); 
 document.mform.femail.focus(); 
return false;
}
}
	var emailID=document.mform.femail
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please enter your email address.")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	
return true;

}