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 E-mail ID")
		   return false
		}

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

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

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

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

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

 		 return true					
}
	
function checkField(field, alert_txt) {
	if (field.value == null || field.value == "") {
		alert(alert_txt);
		field.focus();
	} else {
		return true;
	}
}

function checkEmailField(field, alert_txt) {
	if (field.value == null || field.value == "") {
		alert(alert_txt);
		field.focus();
		return false;
	} else {
		return echeck(field.value);
	}
}

function check_commentsForm() {
	if (checkField(document.commentsForm.name, "Please fill in your Name to complete this form") == false) {
		return false;
	} else if (checkField(document.commentsForm.comments, "Please make a comment to complete this form") == false) {
			return false;
	} else if (checkEmailField(document.commentsForm.email, "Your email address is required to complete this form") == false) {
			return false;
	} else {
		document.commentsForm.submit();
	}
}

function check_postEventsForm() {
	if (checkField(document.postEventForm.name, "Please fill in your Name to complete this form") == false) {
		return false;
	} else if (checkField(document.postEventForm.telephone, "Your telephone number is required to complete this form") == false) {
		return false;
	} else if (checkField(document.postEventForm.address, "Your email address is required to complete this form") == false) {
		return false;
	} else if (checkField(document.postEventForm.city, "Your email address is required to complete this form") == false) {
		return false;
	} else if (checkField(document.postEventForm.state, "fill in the state field") == false) {
		return false;
	} else if (checkField(document.postEventForm.zip, "fill in the zip field") == false) {
		return false;
	} else if (checkEmailField(document.postEventForm.email, "Your email address is required to complete this form") == false) {
		return false;
	} else if (checkField(document.postEventForm.message, "Please descripe your event!") == false) {
		return false;
	} else {
		document.postEventForm.submit();
	}
}

function check_reqMediaKit() {
	if (checkField(document.reqMediaKit.name, "Please fill in your Name to complete this form") == false) {
		return false;
	} else if (checkField(document.reqMediaKit.telephone, "Your telephone number is required to complete this form") == false) {
		return false;
	} else if (checkField(document.reqMediaKit.address, "Your email address is required to complete this form") == false) {
		return false;
	} else if (checkField(document.reqMediaKit.city, "Your email address is required to complete this form") == false) {
		return false;
	} else if (checkField(document.reqMediaKit.state, "fill in the state field") == false) {
		return false;
	} else if (checkField(document.reqMediaKit.zip, "fill in the zip field") == false) {
		return false;
	} else if (checkEmailField(document.reqMediaKit.email, "Your email address is required to complete this form") == false) {
		return false;
	} else if (checkField(document.reqMediaKit.request, "Please descripe your desired mediakit!") == false) {
		return false;
	} else {
		document.reqMediaKit.submit();
	}
}