function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
//	var pattern = new RegExp("\b"+searchClass+"\b");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function initPage()
{
	var inputs = document.getElementsByTagName("input");
	for (var i=0; i<inputs.length; i++)
	{
		if (inputs[i].type == "text")
		{
			inputs[i].onfocus = function ()
			{
				this.className += " focus";
			}
			inputs[i].onblur = function ()
			{
				this.className = this.className.replace("focus", "");
			}
		}
		
	}
	

	
}

if (window.addEventListener)
{
	window.addEventListener("load", initPage, false);
}
else if (window.attachEvent){
	window.attachEvent("onload", initPage);
}