jQuery(function( $ ){
	
	$('#top').click(function(){
		$.scrollTo( '#wrapper', 800 );
	});

	$('#top_img').click(function(){
		$.scrollTo( '#wrapper', 800 );
	});
});

window.onload = function () {
	/* Initialise example scripts on content pages in all browsers */
	
	if (self.init)
		init();

}

function Left(str, n)
{
   if (n <= 0)
         return "";
   else if (n > String(str).length)
         return str;
   else
         return String(str).substring(0,n);
}

function init()
{
	
	if (document.getElementById)
		var x = document.getElementById('content').getElementsByTagName('IMG');
	else if (document.all)
			var x = document.all['content'].all.tags('IMG');
	else return;
	
	
	var preloads = new Object();
	
	for (var i=0; i<x.length; i++)
	{
		if (Left(x[i].id, 2) == 'nr')
		{
			//alert(x[i].id);
			preloads['n'+x[i].id] = new Image;
			preloads['n'+x[i].id].src = 'images/buy_book.jpg';
			preloads['o'+x[i].id] = new Image;
			preloads['o'+x[i].id].src = 'images/buy_book_on.jpg';
			preloads['o'+x[i].id].onerror = function () {this.src='pix/default.gif'}
			x[i].onmouseover = function () {this.src=preloads['o'+this.id].src;}
			x[i].onmouseout = function () {this.src=preloads['n'+this.id].src;}
		}
	}
}