function ShowHide(tabName,tabId,tabNumber){
	for(i=0;i<tabNumber;i++){
		document.getElementById(tabName+"_con"+i).style.display = "none";
		document.getElementById(tabName+"_tab"+i).className = "tabBg";
	}
	document.getElementById(tabName+"_con"+tabId).style.display = "block";
	document.getElementById(tabName+"_tab"+tabId).className = "tabBg_cur";	
}