<!--
function callHead(){
	var img_src = new Array();
	var img_alt = new Array();
	var webPath ="http://www.iucnbd.org/wl/shared_images/heads/" 
	// Change this to the full URL of the folder where the images are located 
	//X =(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14);

	img_src[0]="header10.jpg";
	//img_alt[0]="Photo description. Photo: Photo credit";
	img_alt[0]="River banks. IUCN Photo Library (c) Mahbubur Rahman Masum";
	
	img_src[1]="header9.jpg";
	//img_alt[0]="Photo description. Photo: Photo credit";
	img_alt[1]="Paddy harvesting in fields. IUCN Photo Library (c) IUCN Bangladesh";
	
	img_src[2]="header11.jpg";
	//img_alt[0]="Photo description. Photo: Photo credit";
	img_alt[2]="Sunset from a village field. IUCN Photo Library (c) Mahbubur Rahman Masum";
	
	img_src[3]="header5.jpg";
	//img_alt[0]="Photo description. Photo: Photo credit";
	img_alt[3]="Green Paddy Field. IUCN Photo Library (c) Zeenatul Basher";
	
	img_src[4]="header8.jpg";
	//img_alt[0]="Photo description. Photo: Photo credit";
	img_alt[4]="Buffalo herd. IUCN Photo Library (c) IUCN Bangladesh";
	
/* 
to insert more images include another img_src[X] and another img_src[X] variable. Please be sure that the 
X Numbers are allways in logical order (0, 1, 2, 3, 4....etc) and that you are not missing any number. If 
you are missing a number the script will fail. 

Example of a second image:

	img_src[1]="image_name.jpg";
	img_alt[1]="Photo description. Photo: Photo credit";
	
*/

	var lenght_array = img_src.length;
	var rnd_no = Math.round((lenght_array-1)*Math.random());
	document.r_img.src = webPath+img_src[rnd_no];
	document.r_img.alt = img_alt[rnd_no];
}

//-->