// index.js
// Byde Heating & Plumbing Ltd

window.onload = initialize;

// Calculates the number of whole years experience
function yearsExperience() {
	var start = new Date(1985,6,1);	// 1st June 1985
	var today = new Date();
	var years;
	
	years = Math.floor((today.getTime() - start.getTime())/(60*60*24*365*1000));
	//years = today - start; // Same as using .getTime() !
	return years;
} 

// onload
function initialize () {
	if (!W3CDOM) return;

	var obj;	
	var rimg = new Array(1);

	// Common (main.js)
	setCommonElements();
	
	// Subst Number of years
	// 20 years in mid 2005
	obj = document.getElementById('years');
	if (obj) {
		obj.innerHTML = yearsExperience();
	}

	// Rollovers	
	obj = document.getElementById('hd_showerwater');
	if (obj) {
		rimg['hd_showerwater'] = new RolloverImg(104,104,'/img/hd_showerwater.gif','/img/hd_showerwater_off.gif');	
		obj.onmouseover = function() {this.src = rimg['hd_showerwater'].imgOver.src;}
		obj.onmouseout = function() {this.src = rimg['hd_showerwater'].imgOut.src;}			
	}
}