this.magtable = function(){	
	var tableover = false;
	this.start = function(){
		var tables = document.getElementsByTagName("table");
		for (var i=0;i<tables.length;i++){
			tables[i].onmouseover = function(){tableover = true};
			tables[i].onmouseout = function(){tableover = false};			
			rows(tables[i]);
		};
	};
	
	this.rows = function(table){
		var css = "";
		var tr = table.getElementsByTagName("tr");
		for (var i=0;i<tr.length;i++){
			css = (css == "odd") ? "even" : "odd";
			tr[i].className = css;
			var arr = new Array();
			for(var j=0;j<tr[i].childNodes.length;j++){				
				if(tr[i].childNodes[j].nodeType == 1) arr.push(tr[i].childNodes[j]);
			};		
			
		};
	};	
	
	start();
	
};

/* script initiates on page load. */
window.onload = magtable;

img_on =new Image();  img_on.src ="/assets/images/btn_click-answer.gif"; 
img_off=new Image();  img_off.src="/assets/images/btn_hide-answer.gif"; 

function toggleDisp( id, img )
	{
		var elem = document.getElementById( id );
		elem.style.display = ( elem.style.display == 'block' || elem.style.display == '' ) ? 'none' : 'block';

		if ( elem.style.display == 'block' ) {
			//if (document.images) document.arrow01.src=img_off.src;
			if (document.images) img.src=img_off.src;
		} else {
			//if (document.images) document.arrow01.src=img_on.src;
			if (document.images) img.src=img_on.src;
		}
	}