// JavaScript Document
/*
Make sure that textBox only contain number
*/
function checkNumber(textBox)
{
	while (textBox.value.length > 0 && isNaN(textBox.value)) {
		textBox.value = textBox.value.substring(0, textBox.value.length - 1)
	}
	
	textBox.value = trim(textBox.value);
/*	if (textBox.value.length == 0) {
		textBox.value = 0;		
	} else {
		textBox.value = parseInt(textBox.value);
	}*/
}

function openwin(url,w_title,width,height){
		var maxw = window.screen.availWidth;

		var maxh = window.screen.availHeight;

		var win = window.open(url,w_title,'screenX=0,screenY=0,left='+((maxw-width)/2)+',top=0,width=' + width + ',height=' + height+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no');

		win.focus();

}      

function openImageZoom(vLink, vHeight, vWidth)
{
	var sLink = (typeof(vLink.href) == 'undefined') ? vLink : vLink.href;

	if (sLink == '')
	{
		return false;
	}

	winDef = 'status=no,resizable=no,scrollbars=no,toolbar=no,location=no,fullscreen=no,titlebar=yes,height='.concat(vHeight).concat(',').concat('width=').concat(vWidth).concat(',');
	winDef = winDef.concat('top=').concat((screen.height - vHeight)/2).concat(',');
	winDef = winDef.concat('left=').concat((screen.width - vWidth)/2);
	newwin = open('', '_blank', winDef);

	newwin.document.writeln('<title>Chi tiết hình ảnh!</title><body topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">');
	newwin.document.writeln('<a href="" onClick="window.close(); return false;"><img src="', sLink, '" alt="', 'Dong lai', '" border=0></a>');
	newwin.document.writeln('</body>');

	if (typeof(vLink.href) != 'undefined')
	{
		return false;
	}
}

