function topup_submit(){
        topup_form.submit();
    }
    
    function finish_payment(url){
        parent.location.href = url;
    }
    
    function ppc_submit(){
        var cardno = document.getElementById('cardno');
        var cardpass = document.getElementById('cardpass');
        alertWin('','<iframe frameborder=0 width=430 height=200 marginheight=0 marginwidth=0 scrolling=no src=?c=TGlnaHRib3g=&a=bG9hZA==&o=UHJlcGFpZENhcmR8cmVxdWVzdA==&our=1&cardno='+ cardno.value + '&cardpass=' + cardpass.value +'></iframe>',450,210);
    }
    
    function show_txn(){
        var test_css = getStyleClass('hidden_row2');
		test_css.style.display = '';        
    }
    
    function getStyleClass(className) {
        for (var s = 0; s < document.styleSheets.length; s++){
            if(document.styleSheets[s].title == 'ui_control'){
                if(document.styleSheets[s].rules){
                    for (var r = 0; r < document.styleSheets[s].rules.length; r++){
                        if (document.styleSheets[s].rules[r].selectorText == '.' + className){
                            return document.styleSheets[s].rules[r];
                        }
                    }
                }else if(document.styleSheets[s].cssRules){
                    for (var r = 0; r < document.styleSheets[s].cssRules.length; r++){
                        if (document.styleSheets[s].cssRules[r].selectorText == '.' + className)
                            return document.styleSheets[s].cssRules[r];
                    }
                }
            }
        }
        return null;
    }