//¶¨Òå¼üÅÌÊäÈëÊôÐÔ
function noQmark(){
	if (event.keyCode==34 || event.keyCode==39)	{
		window.event.returnValue =  false;
	}else{
		window.event.returnValue =  true;
	}
}

function onlyNumber(){
	if (event.keyCode>=48&&event.keyCode<=57)	{
		window.event.returnValue =  true;
	}else{
		window.event.returnValue =  false;
	}
}

function onlyNumberIsdot(){
	if ((event.keyCode>=48&&event.keyCode<=57)||window.event.keyCode == 46)	{
		window.event.returnValue =  true;
	}else{
		window.event.returnValue =  false;
	}
}

function onlyNumberBack(){
	if ((event.keyCode>=48&&event.keyCode<=57)||window.event.keyCode == 45)	{
		window.event.returnValue =  true;
	}else{
		window.event.returnValue =  false;
	}
}

function onlyNumberBackIsdot(){
	if ((event.keyCode>=48&&event.keyCode<=57)||window.event.keyCode == 45||window.event.keyCode == 46)	{
		window.event.returnValue =  true;
	}else{
		window.event.returnValue =  false;
	}
}

function onlyFormulary(){
	returnV=false;
	if (event.keyCode==41 ||event.keyCode==40  || event.keyCode==43 || event.keyCode==45 || event.keyCode==42 || event.keyCode==47){
		returnV=true;
	}
	if ((event.keyCode>=48&&event.keyCode<=57)||window.event.keyCode == 46)	{
		returnV =  true;
	}
	window.event.returnValue=returnV;
}

function onlyLetterNum(){
	if ((event.keyCode>=48&&event.keyCode<=57)||(event.keyCode>=65&&event.keyCode<=90)||(event.keyCode>=97&&event.keyCode<=122)){
		window.event.returnValue =  true;
	}else{
		window.event.returnValue =  false;
	}
}