function searchsubmit(){
	var isSucce=checkText();
	if(isSucce){
		document.getElementsByName("simplesearchform")[0].submit();
	}
}
function checkText(){
	var articleTitle=document.getElementsByName("articleTitle")[0];
	if(trim(articleTitle.value)==""){
		alert(document.getElementsByName("articleTitleIsNull")[0].value);
		return false;
	}
	articleTitle.value = trim(articleTitle.value);
	return true;
}