//maked all added functions work onload. at the end of each function you want to work onload add addLoadEvent(function); to the end of the function.
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

//css background replacement method
function rplcImg() {
	var number = 7;
	var random_number="";
	var number = Math.random()*number;
	var random_number = Math.ceil(number);
	
	if (random_number==1) {
		document.getElementById('hmlnk').style.backgroundImage = 'url(images/2010summer/hdr-hmlogo1.jpg)';
	}
	if (random_number==2) {
		document.getElementById('hmlnk').style.backgroundImage = 'url(images/2010summer/hdr-hmlogo2.jpg)';
	}
	if (random_number==3) {
		document.getElementById('hmlnk').style.backgroundImage = 'url(images/2010summer/hdr-hmlogo3.jpg)';
	}
	if (random_number==4) {
		document.getElementById('hmlnk').style.backgroundImage = 'url(images/2010summer/hdr-hmlogo4.jpg)';
	}
	if (random_number==5) {
		document.getElementById('hmlnk').style.backgroundImage = 'url(images/2010summer/hdr-hmlogo5.jpg)';
	}
	if (random_number==6) {
		document.getElementById('hmlnk').style.backgroundImage = 'url(images/2010summer/hdr-hmlogo6.jpg)';
	}
	if (random_number==7) {
		document.getElementById('hmlnk').style.backgroundImage = 'url(images/2010summer/hdr-hmlogo7.jpg)';
	}
	if(document.getElementById('txtSearch')){
		document.getElementById('txtSearch').onfocus = function(){document.getElementById('txtSearch').value = ''}
	}
}
addLoadEvent(rplcImg)

//THE RANDOM IMAGE GENERATOR
/*function hdrImage() {
	var number = 5;
	var random_number="";
	var number = Math.random()*number;
	var random_number = Math.ceil(number);
	
	if (random_number==1) {
		document.write("<img src='images/hdr-hmlogo1.jpg' id='hmlogo' name='hmlogo' alt='we shop the worlds markets' border='0'>");
	}
	if (random_number==2) {
	document.write("<img src='images/hdr-hmlogo2.jpg' id='hmlogo' name='hmlogo' alt='we shop the worlds markets' border='0'>");
	}
	if (random_number==3) {
	document.write("<img src='images/hdr-hmlogo3.jpg' id='hmlogo' name='hmlogo' alt='we shop the worlds markets' border='0'>");
	}
	if (random_number==4) {
	document.write("<img src='images/hdr-hmlogo4.jpg' id='hmlogo' name='hmlogo' alt='we shop the worlds markets' border='0'>");
	}
	if (random_number==5) {
	document.write("<img src='images/hdr-hmlogo5.jpg' id='hmlogo' name='hmlogo' alt='we shop the worlds markets' border='0'>");
	}
}*/