// JavaScript Document
/* THE FOLLOWING JAVASCRIPT CODE COPYRIGHT OUTCROP GROUP & OUTCROP INTERACTIVE 2004 */
function navJS(){

url=location.toString(); 	/*Turns URL into a string*/
	if(url.search("about_us") != -1){			/*searches the url string for a match*/ 		
		document.getElementById("btnAboutUs").src="/i/navigation/btn_about_us_over.png";
	}
	else if(url.search("taltson_project") != -1){			/*searches the url string for a match*/ 		
		document.getElementById("btnTaltsonProject").src="/i/navigation/btn_taltson_project_over.png";
	}
	else if(url.search("taltson_project") != -1){			/*searches the url string for a match*/ 		
		document.getElementById("btnTaltsonProject").src="/i/navigation/btn_taltson_project_over.png";
	}
	else if(url.search("media_center") != -1){			/*searches the url string for a match*/ 		
		document.getElementById("btnMediaCentre").src="/i/navigation/btn_media_centre_over.png";
	}
	else if(url.search("questions") != -1){			/*searches the url string for a match*/ 		
		document.getElementById("btnQuestions").src="/i/navigation/btn_questions_over.png";
	}
	else if(url.search("contact_us") != -1){			/*searches the url string for a match*/ 		
		document.getElementById("btnContactUs").src="/i/navigation/btn_contact_us_over.png";
	}
	else {
		document.getElementById("btnHome").src="/i/navigation/btn_home_over.png";
	}

}


  // this function is needed to work around 
  // a bug in IE related to element attributes
  function hasClass(obj) {
     var result = false;
     if (obj.getAttributeNode("class") != null) {
         result = obj.getAttributeNode("class").value;
     }
     return result;
  } 

/* DREAMWEAVER ROLL OVER */

<!--
function MM_preloadImages() { //v3.0
  var d=document;
  //var MM_preloadImages[] = new Array;
  if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
	
	
	for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}


//-->