function getElementsBySelector(selector){

var i;

var s=[];

var selid="";

var selclass="";

var tag=selector;

var objlist=[];

if(selector.indexOf(" ")>0){  //descendant selector like "tag#id tag"

    s=selector.split(" ");

    var fs=s[0].split("#");

    if(fs.length==1) return(objlist);

    return(document.getElementById(fs[1]).getElementsByTagName(s[1]));

    }

if(selector.indexOf("#")>0){ //id selector like "tag#id"

    s=selector.split("#");

    tag=s[0];

    selid=s[1];

    }

if(selid!=""){

    objlist.push(document.getElementById(selid));

    return(objlist);

    }

if(selector.indexOf(".")>0){  //class selector like "tag.class"

    s=selector.split(".");

    tag=s[0];

    selclass=s[1];

    }

var v=document.getElementsByTagName(tag);  // tag selector like "tag"

if(selclass=="")

    return(v);

for(i=0;i<v.length;i++){

    if(v[i].className==selclass){

        objlist.push(v[i]);

        }

    }

return(objlist);

}





function getElementsByClassName(className, tag, elm){

	var testClass = new RegExp("(^|\\\\s)" + className + "(\\\\s|$)");

	var tag = tag || "*";

	var elm = elm || document;

	var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);

	var returnElements = [];

	var current;

	var length = elements.length;

	for(var i=0; i<length; i++){

		current = elements[i];

		if(testClass.test(current.className)){

			returnElements.push(current);

		}

	}

	return returnElements;

}



function navHiLite(Id) {

  document.getElementById(Id).style.backgroundColor="#5970A6";    

}



function navUnHiLite(Id) {

  document.getElementById(Id).style.backgroundColor="#405080";    

}



function navSubHide(Class) {

  var elements = getElementsByClassName(Class);

  for(var i=0; i<elements.length; i++) {

    elements[i].style.display="none";

  }

}



function navSubDisplay(Id) {

  document.getElementById(Id).style.display="inline";

}



function navSubDescDisplay(Text) {

  document.getElementById("home-nav-sub-desc").style.display="block";

  document.getElementById("home-nav-sub-desc-text").firstChild.nodeValue=Text;

}

function navSubDescHide() {

  document.getElementById("home-nav-sub-desc").style.display="none";

}



		/*********************************************************************

		 * No onMouseOut event if the mouse pointer hovers a child element 

		 * *** Please do not remove this header. ***

		 * This code is working on my IE7, IE6, FireFox, Opera and Safari

		 * 

		 * Usage: 

		 * <div onMouseOut="fixOnMouseOut(this, event, 'JavaScript Code');"> 

		 *		So many childs 

		 *	</div>

		 *

		 * @Author Hamid Alipour Codehead @ webmaster-forums.code-head.com		

		**/

		function is_child_of(parent, child) {

			if( child != null ) {			

				while( child.parentNode ) {

					if( (child = child.parentNode) == parent ) {

						return true;

					}

				}

			}

			return false;

		}

		function fixOnMouseOut(element, event, JavaScript_code) {

			var current_mouse_target = null;

			if( event.toElement ) {				

				current_mouse_target 			 = event.toElement;

			} else if( event.relatedTarget ) {				

				current_mouse_target 			 = event.relatedTarget;

			}

			if( !is_child_of(element, current_mouse_target) && element != current_mouse_target ) {

				eval(JavaScript_code);

			}

		}

		/*********************************************************************/