var slideoutCurrent ="";
var speed = 15;

function check_keyword(){
	var keyword = document.submit_keyword.keyword.value;
	if (keyword ==null || keyword ==''){
		alert("Please enter a keyword");
		return false;
	}
	else
		return true;
}
function slideout(which) {
	image_name = eval("move_"+which);
	slideoutCurrent = document.getElementById(which);	
	if (document.getElementById(which).getAttribute('value') == "close") {
		slideoutDown(which);
		image_name.src = "../images/main/btn_close.gif";
	} else {
		slideoutUp(which);
		image_name.src = "../images/main/btn_more_2.gif";
	}
}

function slideoutDown(which) {
	var Contentstr1;
	
	if (slideoutCurrent.offsetHeight < slideoutCurrent.getAttribute('article_open') ) {
		slideoutCurrent.height = slideoutCurrent.offsetHeight + speed;
		setTimeout("slideoutDown('" + which + "')",20)
	} else {
		slideoutCurrent.value = "open";
		Contentstr1 = which + "Content1";
		document.getElementById(which).innerHTML = document.getElementById(Contentstr1).innerHTML;
		document.getElementById(which+"Click").focus();
	}
}


function slideoutUp(which) {
	var Contentstr2;
	Contentstr2 = which + "Content2"
	document.getElementById(which).innerHTML = document.getElementById(Contentstr2).innerHTML;
	if (slideoutCurrent.offsetHeight > slideoutCurrent.getAttribute('article_close')) {
		slideoutCurrent.height = slideoutCurrent.offsetHeight - speed;
		setTimeout("slideoutUp('" + which + "')",20);
	} else {
		document.getElementById(which+"Click").focus()
		slideoutCurrent.value = "close";
	}
}