function Right(str, n){
	if (n <= 0)
	return "";
	else if (n > String(str).length)
	return str;
	else {
	var iLen = String(str).length;
	return String(str).substring(iLen, iLen - n);
	}
}

//*********** Check Login Email **************
function chkLoginEmail(){
	if (Login.userid.value=="" || Login.passwd.value==""){
		alert('Nhap Username va Password.');
		Login.userid.focus();
		return false;
	}
	var txt
	txt=Login.userid.value
	
	if (Right(txt,12)=="@mykolor.com"){
		Login.userid.value=Login.userid.value
		window.location.reload();
		return true;
	}
	else{
		Login.userid.value=Login.userid.value + "@mykolor.com"
		window.location.reload();
		return true;
	}
}

//*********** Check Full text search **************
function chkSearch(){
	if (frm_search.kw.value==""){
		alert('Chua nhap tu khoa tim kiem.');
		frm_search.kw.focus();
		return false;
	}
	if (frm_search.kw.value.length<3){
		alert('Tu khoa tim kiem qua ngan, tu khoa phai co nhieu hon 3 ky tu.');
		frm_search.kw.focus();
		return false;
	}
}

//*********** Check Newsletters **************
function chkNewsletter(){
	if (frm_nsletter.ns_email.value==""){
		alert('Nhap Email de dang ky newsletter.');
		frm_nsletter.ns_email.focus();
		return false;
	}
}

/**************************************************
***************************************************
***************** PopUp new windown ***************
***************************************************
**************************************************/

function doPop(page)
{
	var p_top=100
	var p_left=screen.width/2-220
	OpenWin = this.open(page, "NewWindow", "toolbar=no,menubar=no,statusbar=no,location=no,scrollbars=yes, resizable=no,top="+p_top+",width=450,height=350, left="+p_left);
}
function doPopCalcPrice(page)
{
	var p_top=100
	var p_left=screen.width/2-220
	OpenWin = this.open(page, "NewWindow", "toolbar=no,menubar=no,statusbar=no,location=no,scrollbars=yes, resizable=no,top="+p_top+",width=450,height=320, left="+p_left);
}
function doNewsletters(page)
{
	var p_top=100
	var p_left=screen.width/2-220
	OpenWin = this.open(page, "NewWindow", "toolbar=no,menubar=no,statusbar=no,location=no,scrollbars=yes, resizable=no,top="+p_top+",width=450,height=200, left="+p_left);
}
function OpenWeather(page)
{
	var p_top=50
	var p_left=screen.width/2-220
	OpenWin = this.open(page, "NewWindow", "toolbar=no,menubar=no,statusbar=no,location=no,scrollbars=no, resizable=no,top="+p_top+",width=450,height=310, left="+p_left);
}
function jump(page)
{
	window.name="main";
	window.open(page,"main");
}