// FRAME BREAKER



if (top.location != self.location) {

	top.location = self.location;

}



// EMAIL ADDRESS PROTECTION



function writeMastheadEmail() {

	var e = '<area coords="' + '486,8,625,27"' + ' alt="Send an em' +'ail" hre' + 'f="mai' + 'lto:sg' + 'b@' + 'sgbro' + 'oks.com"' + ' />';

	document.write(e);

}



function writeEmailBegin() {

	var e = '<a href="mai' + 'lto:sg' + 'b@' + 'sgbro' + 'oks.com">';

	document.write(e);

}

function writeEmailEnd() {

	var e = '</a>';

	document.write(e);

}



function writeEmailListBegin() {

	var e = '<a href="mai' + 'lto:sg' + 'b@' + 'sgbro' + 'oks.com">';

	document.write(e);

}

function writeEmailListEnd() {

	var e = '</a>';

	document.write(e);

}



// UTILITY FUNCTIONS



function findObj(n,d) {

	var p,i,x;

	if (!d) d = document;

	if (document.getElementById) x = document.getElementById(n);

	if (!(x=d[n]) && d.all) x = d.all[n];

	for (i=0;!x && i < d.forms.length; i++) x = d.forms[i][n];

	for (i=0;!x && d.layers && i < d.layers.length; i++) x = findObj(n,d.layers[i].document);

	return x;

}



function setImgSrc() {

	if (preloadFlag) {

		var a=setImgSrc.arguments;

		for (i=0;i<a.length;i+=2) {

			var obj=findObj(a[i]);

			if (obj) obj.src=a[i+1];

		}

	}

}



function preloadImages() {

	if (document.images) {

		if (typeof(document.preloadObj) == 'undefined'){

			document.preloadObj = new Object();

		}

		document.preloadObj.preloadArray = new Array();

		var preloadLength = preloadImages.arguments.length;

		for (i = 0; i < preloadLength; i++) {

			document.preloadObj.preloadArray[i] = new Image();

			document.preloadObj.preloadArray[i].src = preloadImages.arguments[i];

		}

	}

}





// INITIALIZATION



var preloadFlag = false;



function initialize() {

	preloadImages('images/nav_portfolio_over.gif','images/nav_books_over.gif','images/nav_new_over.gif','images/nav_about_over.gif','images/nav_contact_over.gif','images/nav_home_over.gif','images/btn_browse_over.gif','images/btn_viewmore_over.gif','images/btn_next_over.gif','images/btn_back_over.gif');

	preloadFlag = true;

}



window.onload = initialize;