/*
 * Clear Default Text: functions for clearing and replacing default text in
 * <input> elements.
 *
 * by Ross Shannon, http://www.yourhtmlsource.com/
 */

addEvent(window, 'load', init, false);

function init() {
    var formInputs = document.getElementsByTagName('input');
    for (var i = 0; i < formInputs.length; i++) {
        var theInput = formInputs[i];
        
        if (theInput.type == 'text' && theInput.className.match(/\bcleardefault\b/)) {  
            /* Add event handlers */          
            addEvent(theInput, 'focus', clearDefaultText, false);
            addEvent(theInput, 'blur', replaceDefaultText, false);
            
            /* Save the current value */
            if (theInput.value != '') {
                theInput.defaultText = theInput.value;
            }
        }
    }
}

function clearDefaultText(e) {
    var target = window.event ? window.event.srcElement : e ? e.target : null;
    if (!target) return;
    
    if (target.value == target.defaultText) {
        target.value = '';
    }
}

function replaceDefaultText(e) {
    var target = window.event ? window.event.srcElement : e ? e.target : null;
    if (!target) return;
    
    if (target.value == '' && target.defaultText) {
        target.value = target.defaultText;
    }
}

function setSearchFieldValue(){

	var ret_val = false;
	var item_field = document.getElementById('txt_search_home_item');
	var zip_field =document.getElementById('txt_search_home_zip');
	
	if(item_field.value == item_field.defaultText)
		item_field.value = "";
	else
		ret_val = true;	
	
	if(zip_field.value == zip_field.defaultText)
		zip_field.value = "";
	else
		ret_val = true;		
	
	if(!ret_val){
		alert("Please input what you are looking for!!")
		item_field.value = item_field.defaultText;
		zip_field.value = zip_field.defaultText;
		
		return false;
	}
	return ret_val;
}


function setSearchTalkValue(){

	var ret_val = false;
	var talk_field = document.getElementById('txt_search_talk');
	
	if(talk_field.value == talk_field.defaultText)
		talk_field.value = "";
	else
		ret_val = true;	
	
	
	if(!ret_val){
		alert("Please input Talktitle,content,category etc. full/part!!")
		talk_field.value = talk_field.defaultText;
		
		return false;
	}
	return ret_val;
}