//--check the from for errors
function checkForm(){
	var errorCheck = 0;
	var errorMessage = "";



	if(document.formMain.name.value == "" ){
		errorMeassage="Please enter a first and last name."
		errorCheck = 1;
	}

	if(document.formMain.zip.value == "" ){
		errorMeassage="Please enter a zip code."
		errorCheck = 1;
	}

	//-- check if the email address is in the proper format
	if(document.formMain.email.value.indexOf("@")==-1 || document.formMain.email.value.indexOf(".")==-1){
		errorCheck = 1;
		errorMeassage="Please enter a valid email address."
	}else{
		if(document.formMain.email.value.indexOf("@") > document.formMain.email.value.lastIndexOf(".")){
			errorCheck = 1;
			errorMeassage="Please enter a valid email address."
		}
	}


	if(errorCheck == 1){
		alert(errorMeassage)
	}else{
		document.formMain.submit();

	}
}