var TREE1_NODES = [
['Refractive Surgery for Myopia<br> Myopic Astigmatism<br> and Mixed Astigmastism', 'index.cfm', "_self",	
	['Laser Surgery', 'index.cfm', "_self",
		['Photorefractive<br> Keratectomy', 'index.cfm', "_self",],
		['Laser In Situ<br> Keratomileusis', 'laser_b.cfm', "_self",
			['Complications', 'laser_c.cfm', "_self",],
			['Laser Delivery<br> Patterns', 'laser_d.cfm', "_self",],
			['Outcomes', 'laser_e.cfm', "_self",],
		],
	],
	['Laser-assisted<br> Subepithelial Keratectomy', 'laser_f.cfm', "_self",],
	['Incisional Surgery', 'incisional.cfm', "_self",
		['Radial Keratotomy', 'incisional.cfm', "_self",],
		['Astigmatic Keratotomy', 'incisional_b.cfm', "_self",],
		['Automated Lamellar<br> Keratoplasty', 'incisional_c.cfm',"_self",],
	],	
	['Intrastromal Corneal<br> Ring Segments', 'intrastromal.cfm', '_self',
		['Advantages', 'intrastromal_a.cfm', '_self',],
		['Complications', 'intrastromal_b.cfm', '_self',],
	],	
	['Phakic Intraocular<br> Lenses', 'phakic.cfm', "_self",
		['Artisan Lens', 'phakic_b.cfm', "_self",],
		['NuVita MA20 Lens', 'phakic_c.cfm', "_self",],
		['Implantable Contact<br> Lens', 'phakic_d.cfm', "_self",],
		['Phakic Refractive<br> Lens', 'phakic_e.cfm', "_self",],
	],
	['Refractive Lensectomy', 'refractive.cfm', "_self",],
	['Bioptics', 'bioptics.cfm', "_self",],
	['Mixed Astigmatism', 'mixed.cfm', "_self",],
	['References', 'references.cfm', "_self",],

]
];