// Common utility

/**
* switch language
*/
function switchPageLang(mode){
	var url = document.location.href;
	var uri = url.split('/');
	for(var i=0; i<uri.length; i++){ 
		if(uri[i]=='th' && mode=='th'){ 
			window.location = ''+uri[i+1]+'';
		}
		if(uri[i]=='th' && mode=='en'){
			window.location = '../en/'+uri[i+1]+'';
		}
		if(uri[i]=='en' && mode=='th'){
			window.location = '../th/'+uri[i+1]+'';
		}
		if(uri[i]=='en' && mode=='en'){
			window.location = ''+uri[i+1]+'';
		}
	}
}

function popupForm(url, left, top, width, height, scrollbars)
	{
		if(width==0){
			width = 600;
		}
		if(height==0){
			height = 700;
		}
		var clH = document.documentElement.clientHeight;
		var clW = document.documentElement.clientWidth;
		var popupW = parseInt(clW*0.5); //alert(popupW);
		var popupH = parseInt(clH*0.5); //alert(popupH);
		
		var winSettings = "width="+width+
		", height="+height+
		", left="+left+
		", top="+top+
		", scrollbars="+scrollbars+
		", copyhistory=no, directories=no, menubar=no, location=no, resizable=yes";
		window.open(url, 'editString', winSettings);
		return false;

	}
	
//Rollover menu	
	if (document.images) {

	var nav01 = new Image; var nav01_hov = new Image;
	var nav02 = new Image; var nav02_hov = new Image;
	var nav03 = new Image; var nav03_hov = new Image;
	var nav04 = new Image; var nav04_hov = new Image;
	var nav05 = new Image; var nav05_hov = new Image;
	var nav06 = new Image; var nav06_hov = new Image;
	nav01.src = "../assets/images/menu-about.gif"; nav01_hov.src ="../assets/images/menu-about-hov.gif";
	nav02.src = "assets/images/sidebar-nav-02.gif"; nav02_hov.src ="assets/images/sidebar-nav-02-hov.gif";
	nav03.src = "assets/images/sidebar-nav-03.gif"; nav03_hov.src ="assets/images/sidebar-nav-03-hov.gif";
	nav04.src = "assets/images/sidebar-nav-04.gif"; nav04_hov.src ="assets/images/sidebar-nav-04-hov.gif";
	nav05.src = "../assets/images/menu-customer.gif"; nav05_hov.src ="../assets/images/menu-customer-hov.gif";
	nav06.src = "assets/images/sidebar-nav-06.gif"; nav06_hov.src ="assets/images/sidebar-nav-06-hov.gif";

	
}
function swapImage(thisImage,newImage) {
	if (document.images) {
		document[thisImage].src = eval(newImage + ".src")
	}
}	

//Check search box keyword empty
function chkEmptyKeyword(){
		var f = document.product_search_frm;
		if(f.keyword.value == '' || f.keyword.value=='search our product'){
			alert("Please enter your keyword");
			return false;
		}
	}