function validateLogin() {
    var elmemailid = "";
    var elmpassid = "";
    var posval;
    var flg = true;
    if (document.getElementById("login1_txtemail") != null) {
    	elmemailid = "#login1_txtemail";
        posval = 800;
    }
    else {
    	elmemailid = "#ctl00_login1_txtemail";
        posval = 800;
    }
    if (document.getElementById("login1_txtpass") != null) {
    	elmpassid = "#login1_txtpass";
        posval = 415;
    }
    else {
    	elmpassid = "#ctl00_login1_txtpass";
        posval = 415;
    }
    if ($(elmemailid).val() == "Email" || $(elmemailid).val() == "") {
        $(elmemailid).before(getValidatorMsg(getTopPostion($(elmemailid), 167),812, "This field is required"));
        flg = false;
    }
    else {
    	var emailPat = /^(\".*\"|[A-Za-z]\w*)@(\[\d{1,3}(\.\d{1,3}){3}]|[A-Za-z]\w*(\.[A-Za-z]\w*)+)$/;
    	var emailval = $(elmemailid).val();
        
        var matchArray = emailval.match(emailPat);
        if (matchArray == null) {
            $(elmemailid).before(getValidatorMsg(getTopPostion($(elmemailid), 167), 812, "Invalid email address"));
            flg = false;
        }
    }
    if ($(elmpassid).val() == "Password" || $(elmpassid).val() == "") {
    	$(elmpassid).before(getValidatorMsg(getTopPostion($(elmpassid), 166), 812, "This field is required"));
        flg = false;
    }
    return flg;
}