// Provide 'click' behaviour
/*
function mouseDown(event){	
	event.element().src =  eval(event.element().id + 'Off.src');
}
function mouseUp(event){
	event.element().src = eval(event.element().id + 'On.src');
}
*/

$(document).ready(function(){
	/* available images:
	0 : 900x600
	1 : 1152x768
	2 : 1281x854
	3 : 1575x1050
	4 : 1800x1200
	5 : 1950x1300
	*/
	
	if(screen.availHeight <= 600 || screen.availWidth <= 900)
	{
//	alert('in');
		document.body.background = '../img/bg_' + bg_id + '_0.jpg';
	}else if(screen.availHeight <= 768 || screen.availWidth <= 1152){
//	alert('in');
		document.body.background = '../img/bg_' + bg_id + '_1.jpg';
	}else if(screen.availHeight <= 854 || screen.availWidth <= 1281){
//		alert('in');
		document.body.background = '../img/bg_' + bg_id + '_2.jpg';
	}else if(screen.availHeight <= 1050 || screen.availWidth <= 1575){
//	alert('in');
		document.body.background = '../img/bg_' + bg_id + '_3.jpg';
	}else if(screen.availHeight <= 1200 || screen.availWidth <= 1800){
//	alert('in');
		document.body.background = '../img/bg_' + bg_id + '_4.jpg';
	}else {
//	alert('in');
		document.body.background = '../img/bg_' + bg_id + '_5.jpg';
	}
});