var picNum =6; 
var quoteNum =4;
function randomImage(){
	var randomPic=Math.ceil(Math.random()*picNum);
	document.write('<img src="images/front_pic_'+randomPic+'_450_340.jpg" width="450" height="340">');
}
function randomQuote(){
	var randomQuote=Math.ceil(Math.random()*quoteNum);
	document.write('<img src="images/quote'+randomQuote+'.png" width="540" height="105">');
}
function alternate(id){
	if(document.getElementsByTagName){  
   		var table = document.getElementById(id);  
   		var rows = table.getElementsByTagName("tr");  
   		for(i = 1; i < rows.length; i++){          
 //manipulate rows
     		if(i % 2 == 0){
       			rows[i].className = "even";
     		}else{
       			rows[i].className = "odd";
     		}      
   		}
 	}
}