function c1it(tabName,btnId){
	var tabNumber = 0;
	for (i =0 ;i<10;i++){
		if (null == document.getElementById(tabName+"_div"+i)){
			i = 10;
		} else {
			tabNumber ++;
		}
	}
	for(i=0;i<tabNumber;i++){
		if ( i == btnId) {
			document.getElementById(tabName+"_div"+btnId).style.display = "block";
			document.getElementById(tabName+"_btn"+btnId).className = "on";	
		} else {
			document.getElementById(tabName+"_div"+i).style.display = "none";
			document.getElementById(tabName+"_btn"+i).className = "off";
		}
	}
	
}

function crazybu(tabName,btnId){
	var tabNumber = 0;
	for (i =0 ;i<10;i++){
		if (null == document.getElementById(tabName+"_div"+i)){
			i = 10;
		} else {
			tabNumber ++;
		}
	}

	for(i=0;i<tabNumber;i++){
		if ( i == btnId) {
			document.getElementById(tabName+"_div"+btnId).style.display = "block";
			document.getElementById(tabName+"_btn"+btnId).className = "cyaskbu1";	
		} else {
			document.getElementById(tabName+"_div"+i).style.display = "none";
			document.getElementById(tabName+"_btn"+i).className = "cyaskbu2";
		}
	}
	
}