function SearchProducts() {
    var k = encodeURI(document.getElementById('ctl00_txtModel1').value);
    self.location = 'search.aspx?k=' + k;
}


//禁用Enter键表单自动提交
document.onkeydown = function(event) {
    var target, code, tag;
    if (!event) {
        event = window.event; //针对ie浏览器
        target = event.srcElement;
        code = event.keyCode;
        if (code == 13) {
            tag = target.tagName;
            if (tag == "TEXTAREA") { return true; }
            else { return false; }
        }
    }
    else {
        target = event.target; //针对遵循w3c标准的浏览器，如Firefox
        code = event.keyCode;
        if (code == 13) {
            tag = target.tagName;
            if (tag == "INPUT") { return false; }
            else { return true; }
        }
    }
}