function $$$(id){
	return document.getElementById(id);
	}
	
function changediv(step){
	var step1=$$$("step1");
	var step2=$$$("step2");
	var step3=$$$("step3");	
	
	switch(step){
case 1:		step1.style.display="inline"
		step2.style.display="none"
		step3.style.display="none"
		break;
case 2: 	step1.style.display="none"
		step2.style.display="inline"
		step3.style.display="none"
		break;
case 3: step1.style.display="none"
		step2.style.display="none"
		step3.style.display="inline"
		break;		
		
		}
	}	// JavaScript Document