function checkemailaddress(inputbox){

var teststring 
teststring = inputbox.toString()

if(inputbox == ""){
	return 1002
}

if(teststring.length <= 6){
	return 1002
}

var illegalchrs = new Array("*","£","$","!")
var counter
	
for(counter=0;counter<=illegalchrs.length;counter++){
	if(teststring.indexOf(illegalchrs[counter]) != -1){
		return 1002
	}
}

var atpositionback = teststring.lastIndexOf("@")
var dotpositionback = teststring.lastIndexOf(".")
var atpositionfront = teststring.indexOf("@")

if(atpositionback == -1){
	return 1002
}

if(dotpositionback == -1){
	return 1002
}

if(atpositionfront != atpositionback){
	return 1002
}

if(atpositionback > dotpositionback){
	return 1002
}

return 0
}