// JavaScript Document

var oButtonOrigClass;

function ButtonOver(bntID) {
   	oButtonOrigClass = document.getElementById(bntID).className;
	document.getElementById(bntID).className=document.getElementById(bntID).className+"_OVER";	
}
function ButtonOff(bntID) {
    document.getElementById(bntID).className=oButtonOrigClass;
}
function ButtonDown(bntID) {
	document.getElementById(bntID).className=oButtonOrigClass+"_DOWN";
}
function ButtonUp(bntID) {
    document.getElementById(bntID).className=oButtonOrigClass+"_OVER";
}

function goTo(Tab){
	switch( Tab ){
		case "tab1":
			location.href = 'catalog_search.php';
			break;
		case "tab2":
			location.href = 'stock_check.php';
			break;
		case "tab3":
			location.href = 'interchange.php';
			break;
	}
}