function submitForm()
{
    val = "";
    for (i=0 ; i<document.getElementsByName("radioproduct").length; i++) {
        if (document.getElementsByName("radioproduct")[i].checked) {
            val = document.getElementsByName("radioproduct")[i].value;
        }
    }
 
    if(val != "") {
				if(val == 1) {
						window.location.href = 'product_range_strepsils_original.php';
				}
				else if(val == 2) {
						window.location.href = 'product_range_strepsils_honey_lemon.php';
				}
				else if(val == 3) {
						window.location.href = 'product_range_strepsils_orange.php';
				}
				else if(val == 4) {
						window.location.href = 'product_range_strepsils_sugar_free.php';
				}
				else if(val == 5) {
						window.location.href = 'product_range_strepsils_extra.php';
				}
				else if(val == 6) {
						window.location.href = 'product_range_strepsils_sore_throat_and_blocked_nose.php';
				}
				else if(val == 7) {
						window.location.href = 'product_range_strepsils_cool.php';
				}
				else if(val == 8) {
						window.location.href = 'product_range_strepsils_warm.php';
				}
				else if(val == 9) {
						window.location.href = 'product_range_strepsils_handy_tube.php';
				} else {
						window.location.href = 'product_range_strepsils_sore_throat_and_cough.php';
				}
    }
    else {
        alert("Please select one of the options.");
    }
}