function highlight(continent){
	var continent;
	var highlighter=document.getElementById('highlighter');
	highlighter.src="img/"+continent+".gif";
}

function clearHighlight(){
	var highlighter=document.getElementById('highlighter');
	highlighter.src="img/pixel.gif";
}

function putMapThere(){
	var container=document.getElementById('menu');
	container.style.visibility="hidden";
	var mapHtml='<img src="img/pixel.gif" alt="World Map" id="highlighter" usemap="#imgMap" /><img src="img/world.gif" alt="world" id="map" /><map name="imgMap" id="imgMap"><area shape="poly" coords="12,42,67,19,124,14,182,11,234,3,297,1,236,37,205,28,203,56,128,99,89,117,117,129,127,142,81,125,53,103" href="north-america" alt="North America" title="North American Phone Directory" onmouseover="highlight(\'north-america\')" onmouseout="clearHighlight()" /><area shape="poly" coords="134,145,153,137,191,151,224,169,233,175,222,206,182,244,175,263,165,263,144,194,122,167" href="south-america" alt="South America" title="South American Phone Directory" onmouseover="highlight(\'south-america\')" onmouseout="clearHighlight()" /><area shape="poly" coords="296,96,315,89,340,86,366,93,393,98,422,139,436,138,410,169,436,188,426,211,409,196,386,223,372,230,362,230,344,194,340,164,328,148,292,149,279,125" href="africa" alt="Africa" title="African Phone Directory" onmouseover="highlight(\'africa\')" onmouseout="clearHighlight()" /><area shape="poly" coords="303,83,310,63,300,52,283,30,294,26,312,44,324,55,338,48,332,35,363,17,392,25,392,33,414,20,427,20,439,23,437,37,437,47,444,55,431,55,431,62,426,78,410,74,397,67,380,71,380,77,369,84,355,80,342,73,331,72,315,83" href="europe" alt="Europe" title="European Phone Directory" onmouseover="highlight(\'europe\')" onmouseout="clearHighlight()" /><area shape="poly" coords="598,100,603,111,609,127,620,145,617,148,606,135,598,120,591,112,582,115,576,123,577,132,590,149,596,148,600,153,598,161,593,168,591,179,571,175,582,168,580,160,586,152,575,138,571,142,559,136,567,156,570,169,564,170,550,152,550,140,547,129,532,117,508,128,511,146,500,138,489,121,472,110,459,108,451,119,429,131,418,124,398,98,400,87,380,82,393,73,415,79,433,83,436,76,430,69,435,58,448,56,439,47,442,23,441,17,467,14,476,5,518,16,579,21,627,23,663,29,644,55,628,38,598,43,613,56,633,72,636,86,620,97,598,81,589,84" href="asia" alt="Asia and Middle East" title="Asian and Middle Eastern Phone Directory" onmouseover="highlight(\'asia\')" onmouseout="clearHighlight()" /><area shape="poly" coords="623,154,649,165,669,171,683,165,715,192,709,212,671,181,657,180,660,187,667,203,673,215,659,234,679,255,711,234,715,241,679,260,656,237,646,241,639,251,631,236,620,227,580,233,581,207,617,191,636,186,644,193,653,185,636,170,618,181,595,180,606,159" href="australia" alt="Australia and Pacific" title="Australian and Pacific Phone Directory" onmouseover="highlight(\'australia\')" onmouseout="clearHighlight()" /></map>';
	container.innerHTML=mapHtml;
	container.style.visibility="visible";
	preloadHoverImgs();
}

function preloadHoverImgs(){
	image1=new Image();
	image1.src="img/africa.gif";
	image2=new Image();
	image2.src="img/europe.gif";
	image3=new Image();
	image3.src="img/asia.gif";
	image4=new Image();
	image4.src="img/north-america.gif";
	image5=new Image();
	image5.src="img/south-america.gif";
	image6=new Image();
	image6.src="img/australia.gif";
}