if(document.images) {
	pics = new Array(); 
	pics[1] = new Image();
	pics[1].src = "../img/graphics/semesterplan.gif"; 
	pics[2] = new Image();
	pics[2].src = "../img/graphics/semesterplan_green.gif";
	pics[3] = new Image();
	pics[3].src = "../img/graphics/norway.gif"; 
	pics[4] = new Image();
	pics[4].src = "../img/graphics/norway_green.gif";
	pics[5] = new Image();
	pics[5].src = "../img/graphics/abroad.gif"; 
	pics[6] = new Image();
	pics[6].src = "../img/graphics/abroad_green.gif";
	pics[7] = new Image();
	pics[7].src = "../img/graphics/public_platform.gif"; 
	pics[8] = new Image();
	pics[8].src = "../img/graphics/public_platform_green.gif";
	pics[9] = new Image();
	pics[9].src = "../img/graphics/is.gif";
	pics[10] = new Image();
	pics[10].src = "../img/graphics/is_green.gif";
	pics[11] = new Image();
	pics[11].src = "../img/graphics/press.gif";
	pics[12] = new Image();
	pics[12].src = "../img/graphics/press_green.gif";
	pics[13] = new Image();
	pics[13].src = "../img/graphics/about.gif"; 
	pics[14] = new Image();
	pics[14].src = "../img/graphics/about_green.gif";
	pics[15] = new Image();
	pics[15].src = "../img/graphics/contact.gif";
	pics[16] = new Image();
	pics[16].src = "../img/graphics/contact_green.gif";
	pics[17] = new Image();
	pics[17].src = "../img/graphics/newsletter.gif";
	pics[18] = new Image();
	pics[18].src = "../img/graphics/newsletter_green.gif";
}

function changer(from,to) {
	if(document.images) {
	document.images[from].src = pics[to].src;
	}
}