function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_o'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

window.onload = initRollovers;


/* Clickable Map Rollover */

var mapimg = new Array(6);
mapimg[0] = '/images/common/blogBanner.jpg';
mapimg[1] = '/images/common/blogBanner1.jpg';
mapimg[2] = '/images/common/blogBanner2.jpg';
mapimg[3] = '/images/common/AoBanner2.gif';
mapimg[4] = '/images/common/AoBanner2_1.gif';
mapimg[5] = '/images/common/AoBanner2_2.gif';
function mapover() {
	document.getElementById('blog1').onmouseover = function() {
		document.getElementById('cmap').src = mapimg[1];
	}
	document.getElementById('blog1').onmouseout = function() {
		document.getElementById('cmap').src = mapimg[0];
	}
	document.getElementById('blog1').onclick = function() {
		document.getElementById('cmap').src = mapimg[0];
	}
	document.getElementById('blog2').onmouseover = function() {
		document.getElementById('cmap').src = mapimg[2];
	}
	document.getElementById('blog2').onmouseout = function() {
		document.getElementById('cmap').src = mapimg[0];
	}
	document.getElementById('blog2').onclick = function() {
		document.getElementById('cmap').src = mapimg[0];
	}
	document.getElementById('ao1').onmouseover = function() {
		document.getElementById('amap').src = mapimg[4];
	}
	document.getElementById('ao1').onmouseout = function() {
		document.getElementById('amap').src = mapimg[3];
	}
	document.getElementById('ao1').onclick = function() {
		document.getElementById('amap').src = mapimg[3];
	}
	document.getElementById('ao2').onmouseover = function() {
		document.getElementById('amap').src = mapimg[5];
	}
	document.getElementById('ao2').onmouseout = function() {
		document.getElementById('amap').src = mapimg[3];
	}
	document.getElementById('ao2').onclick = function() {
		document.getElementById('amap').src = mapimg[3];
	}

}
if(window.addEventListener) {
	window.addEventListener("load",mapover,false);
} else if(window.attachEvent) {
	window.attachEvent("onload",mapover);
}