function Hide(str) {
	x = document.getElementById(str);
	x.style.display = 'none';
}
		
function Show(str) {
	x = document.getElementById(str);
	x.style.display = 'block';
}

//replace one image with another
function popPic(image,div) {
	newImage = image;
	thisdiv = document.getElementById(div);
	thisdiv.src = newImage;
}

// Simple follow the mouse script
// (DIV must be position:absolute)
function popinfo(div) {
Show(div);
var divName = div;
var offX = 15;
var offY = 15;
function mouseX(evt) {if (!evt) evt = window.event; if (evt.pageX) return evt.pageX; else if (evt.clientX)return evt.clientX + (document.documentElement.scrollLeft ?  document.documentElement.scrollLeft : document.body.scrollLeft); else return 0;}
function mouseY(evt) {if (!evt) evt = window.event; if (evt.pageY) return evt.pageY; else if (evt.clientY)return evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop); else return 0;}
function follow(evt) {if (document.getElementById) {var obj = document.getElementById(divName).style; 
obj.left = (parseInt(mouseX(evt))+offX) + 'px';
obj.top = (parseInt(mouseY(evt))+offY) + 'px';}}
document.onmousemove = follow;
}