var url = window.location.href.toLowerCase();
if (url.indexOf("supply") > 0) {
    document.getElementById("SearchType1").checked = true;
}
else if (url.indexOf("purchase") > 0) {
    document.getElementById("SearchType2").checked = true;
}
else if (url.indexOf("company") > 0) {
    document.getElementById("SearchType3").checked = true;
}
else if (url.indexOf("news") > 0) {
    document.getElementById("SearchType4").checked = true;
}
else if (url.indexOf("webnews") > 0) {
    document.getElementById("SearchType4").checked = true;
}
else {
    document.getElementById("SearchType1").checked = true;
}