/**********************************************
Preload Images
*/



var whichImageOn = null;

/****************************************************
function changeButtonState()

set button image states correctly when popups are
launched.
*/
function changeButtonState(button, state){
	showRollover = true;
//	trap search buttons, where there is no associated <DIV> tag
	
	/*if (button.indexOf('left') != -1){	
		showRollover = true;
	}
	
	else {
		tempLayer = eval ("document.all." + button);
		if (tempLayer.style.visibility != 'visible'){
			 showRollover = true;
		}
		else{
			showRollover = false;
		}
	}*/

	if (button == parent.main.pageButton){showRollover = false;}
	
	if (state == 'on' && (showRollover)){
		eval("document['" + button + "'].src = " + button + "_on.src");
		whichImageOn = button;
		//alert (currentPage);
	}
	if ((state == 'off') && (showRollover)){
		eval("document['" + button + "'].src = " + button + "_off.src");
	}
	if ((state == 'over') && (showRollover)) {
		eval("document['" + button + "'].src = " + button + "_over.src");
	}
}

function resetImages(){
	eval("document['leftSearchImg'].src = leftSearchImg_off.src");
	eval("document['leftViewImg'].src = leftViewImg_off.src");
	whichImageOn = null;
}