var setTextPrompt = function (dInput,sText,dButton) {
        var YUE = YAHOO.util.Event;
        var YUD = YAHOO.util.Dom;
        if (!dInput || !sText) {
            return;
        };
        YUD.setStyle(dInput,'color','#999');
        dInput.value = sText;
        YUE.on(dInput, 'mouseup', function() {
            if(this.value === sText){
                this.value = ''
                YUD.setStyle(dInput,'color','#000');
            };
        });
        YUE.on(dInput, 'blur', function() {
            if(this.value === ''){
                this.value = sText;
                YUD.setStyle(dInput,'color','#999');
            };
        });
        if (dButton) {
            YUE.on(dButton, 'click', function() {
                if(dInput.value === sText) {
                    dInput.value = '';
                };
            });
            YUE.on(dButton, 'change', function() {
                if(dInput.value === sText) {
                    dInput.value = '';
                };
            });
        };
    };