// JavaScript Document
var win = null;
function NewWindow(theURL,winName,w,h,scroll){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
	window.open(theURL,winName,settings)
}
// alternate classes on new table row
function alternate(id) { 
	if(document.getElementsByTagName){  
		var table = document.getElementById(id);   
		var rows = table.getElementsByTagName("tr");   
		for(i = 0; i < rows.length; i++){           
			//manipulate rows 
			if(i % 2 == 0){ 
				rows[i].className = "even"; 
			}else{ 
				rows[i].className = "odd"; 
			}       
		} 
	} 
}

// A (slightly) better technique for "Back to Top" links.
function backToTop() {
	var x1 = x2 = x3 = 0;
	var y1 = y2 = y3 = 0;

	if (document.documentElement) {
		x1 = document.documentElement.scrollLeft || 0;
		y1 = document.documentElement.scrollTop || 0;
	}

	if (document.body) {
		x2 = document.body.scrollLeft || 0;
		y2 = document.body.scrollTop || 0;
	}

	x3 = window.scrollX || 0;
	y3 = window.scrollY || 0;

	var x = Math.max(x1, Math.max(x2, x3));
	var y = Math.max(y1, Math.max(y2, y3));

	window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));

	if (x > 0 || y > 0) {
		window.setTimeout("backToTop()", 25);
	}
}