// JavaScript Document


var imgUrl = new Array();


imgUrl[0] = 'url(images/btnbg0.gif)';
imgUrl[1] = 'url(images/btnbg1.gif)';

function changeBG(image, id){
document.getElementById('nav_btn' + id).style.backgroundImage = imgUrl[image];

}





// for registration

	function ckRegForm() {
		
		/* Check email */
		if (getObj('password').value != "") {
			
				
			/* Check Firstname */
			if (getObj('firstname').value != "") {
			
				/* Check Password */
				if ((getObj('email').value != "") && (getObj('cEmail').value != "")) {
				
					/* Check Code */
					if (getObj('code').value != "") {
					
						/* Check Agree */
						if (getObj('agree').checked) {
						
							getObj('Submit').disabled = false;
						
							
						} else getObj('Submit').disabled = true;
					} else getObj('Submit').disabled = true;
				} else getObj('Submit').disabled = true;
			} else getObj('Submit').disabled = true;
		} else getObj('Submit').disabled = true;
	}
	
	
	function getObj(objName) {
		return document.getElementById(objName);
	}