pageSize = 6;
pageCursor = 0;
pageCount=0;
sponlogos2 = new Array();
spontemp = new Array();

function fisherYates ( o ) {
	for(var j, x, i = o.length; i; j = parseInt(Math.random() * i), x = o[--i], o[i] = o[j], o[j] = x);
	return o;
}

function randomOrder(){			
    //randomise order of array
    fisherYates(sponlogos);
    for(z = 0; z < sponlogos.length; z++){
        sponlogos2[z] = "slogo" + z;
    }
    fisherYates(sponlogos2);
}

//hide them all
	function hidor() {
		for (i = 0; i < sponlogos.length; i++) {
		Element.hide('slogo' + i)
		}
	}

// appear function
	function visor() {
		new Effect.Appear('animholder', 
    		{duration: 1,afterFinish: myCallBackOnFinApp()});
		}
		
	function myCallBackOnFinApp(){
		setTimeout('fador()',5000)
		}
		
// fade function
	function fador() {
		new Effect.Fade('animholder', 
    		{duration: 1,afterFinish: myCallBackOnFinFad()});
		}
		
	function myCallBackOnFinFad() {
		setTimeout('shlogos()',1000)
		}

// main function
	function shlogos() {
				hidor();
			 	for (i = pageCursor; i < pageSize; i++) {
					//Element.show("slogo" + i)
					Element.show(sponlogos2[i]);
				}
				pageCursor=i;
				pageSize=pageSize+6;
				pageCount++;
				//restart before end..
				if(pageCount == Math.floor(sponlogos.length/6)){
				    pageCursor=0;
				    pageSize=6;
				    pageCount=0;
				    randomOrder();
				}
				visor();
	}