var pgname = "";
function changeImage(anchorTag){
	//alert(anchorTag.id);
	if (anchorTag.id != pgname+"Link"){
		var str = anchorTag.firstChild.src;
		str = str.replace("btn_","btn_over_");
		anchorTag.firstChild.src = str;
	}
}

function changeBackImage(anchorTag){
	if (anchorTag.id != pgname+"Link"){
		var str = anchorTag.firstChild.src;
		str = str.replace("btn_over_","btn_");
		anchorTag.firstChild.src = str;
	}
}

function setPageMark(){
	var pagenames = new Array("aboutrlmark", "documentsolutions", "itsolutions", "servicesolutions", "financesolutions");
	var loc = window.location;
	for (var i=0; i<pagenames.length; i++)
		if (loc.toString().indexOf(pagenames[i]) > -1){
			pgname = pagenames[i];
			var anchorTag = document.getElementById(pgname+"Link");
			var str = anchorTag.firstChild.src;
			str = str.replace("btn_","btn_over_");
			anchorTag.firstChild.src = str;
		}
}