var screenw = screen.width - 10;
var screenh = screen.height - 95;

function viewimage(site_path, id, width, height) {

	width = width + 50;
	height = height + 125;
	
	if(width > screenw) {
		width = screenw;
	} else if(width < 420) {
		width = 420;
	}
	if(height > screenh) {
		height = screenh;
	}

	var winl = (screen.width - width) / 2;
	var wint = (screen.height - height - 200) / 2;

	window.open(''+site_path+'viewimage/'+id+'', '_blank', 'toolbar=no, location=no, menubar=no, scrollbars=yes, width='+width+', height='+height+', top='+wint+', left='+winl+', resizable=yes, status=yes');

}

function chooseimage(site_path) {

	var winl = (screen.width - 600) / 2;
	var wint = (screen.height - 700 - 200) / 2;

	window.open(''+site_path+'chooseimage', '_blank', 'toolbar=no, location=no, menubar=no, scrollbars=yes, width=600, height=700, top='+wint+', left='+winl+', resizable=yes, status=yes');
}