function checkForm(form){
	//Select required fields array depending on form
	switch(form.id) 
	{
		case "conForm":
			var arNames= new Array("Name","Email","Phone");
		break;
		default: 
		break;
	}
    var ElemLength = arNames.length;
    for(var i=0; i < ElemLength; i++)
	{ 
        if (!form.elements[i].value) 
		{
			alert(arNames[i]+' is a required field');
			form.elements[i].focus();
            return false;
        } 
		if (form.elements["Email"].value != "" && ! /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form.elements["Email"].value)) {
		alert("Email address is invalid");
		form.elements["Email"].value = "";
		form.elements["Email"].focus();
		return false;
		}
    } 
	return true;
}