mainRotatePosition=0;
mainRotateArray=new Array("mainRotate1","mainRotate2","mainRotate3","mainRotate4","mainRotate5");

function mainRotate(tab){
	if(typeof tab=="undefined"){
		mainRotatePosition++;
		setTimeout("mainRotate()", mainRotateTimeout);
	}else{
		mainRotatePosition=tab;
	}
	if(mainRotatePosition==mainRotateArray.length){
		mainRotatePosition=0;
	}
	showDiv(mainRotateArray[mainRotatePosition],"mainRotate");
}
function showDiv(displayDivId,hideDivClass) {
	divElements=document.getElementsByTagName("div");
	displayDiv=document.getElementById(displayDivId);
	for (i = 0; i < divElements.length; i++) 
	{
		if((divElements[i].id!="")&&(document.getElementById(divElements[i].id).className==hideDivClass)){
			if(document.getElementById(divElements[i].id).style.display=="inline"){
				displayedDivId=divElements[i].id;
			}
			document.getElementById(divElements[i].id).style.display = 'none';
		}
	}
	displayDiv.style.display = "inline";
}
function clickRotate(tab){
	mainRotatePosition=tab-1;
	mainRotate();
}