// JavaScript Document

// RETURNS A RANDOM NUMBER FROM 0 TO 9
function getRandNumber(x){	
	return Math.round(Math.random()*x);
}

// RETURNS SPECIFIC DECRIPTION OF PHOTO FOR ALT TAG
function getAltDesc(x){
	// ALTS ARRAY HOLDS DESCRIPTIONS
	alts= [
		"Photo Courtesy of Washington State Department of Social and Health Services Vocational Rehabilitation Program",
		"Photo Courtesy of Washington State Department of Social and Health Services Vocational Rehabilitation Program",
		"Photo Courtesy of Washington State Department of Social and Health Services Vocational Rehabilitation Program",
		"Photo Courtesy of Washington State Department of Social and Health Services Vocational Rehabilitation Program",
		"Photo Courtesy of Washington State Department of Social and Health Services Vocational Rehabilitation Program",
		"Photo Courtesy of Washington State Department of Social and Health Services Vocational Rehabilitation Program",
		"Photo Courtesy of Washington State Department of Social and Health Services Vocational Rehabilitation Program",
		"Photo Courtesy of Washington State Department of Social and Health Services Vocational Rehabilitation Program",
		"Photo Courtesy of Washington State Department of Social and Health Services Vocational Rehabilitation Program",
	];	
	return alts[x];
}

// WRITES IMG HTML CODE OF RANDOMLY SELECTED IMAGE AND ASSOCIATED ALT TAG INFORMATION
function putRandomImage(){
	// GET RANDOM NUMBER FROM 0-8
	x = getRandNumber(7);
	// alert('randomNum = ' + x);
	// GET ALT TAG FOR RANDOMLY CHOSEN IMG
	y = getAltDesc(x);
	// WRITE IMG TAG TO INCLUDE RANDOMLY SELCTED IMG AND ASSOCIATED ALT TAG
	document.write("<img src='/images/sideNavImages/"+ x +".jpg' width='195' alt='"+y+"'>");
}