function checkSynonym(){
	var syn_mode = document.getElementById("synonym").checked;
	if(syn_mode){
		document.getElementById("syn").value = "on";
	}else{
			document.getElementById("syn").value = "off";
	}
}

function cutTargetVal(val,target){
	if(val){
		document.getElementById(target).checked = false;
	}
}