function changeImg(img, newimg) {
	var domElement1 = document.getElementById("comment")
    var domElement2= document.getElementById("qa")
	if (newimg ==1){
				img.src = "images/table/askguru/QA_comment_front.gif";
				domElement2.src = "images/table/askguru/QA_head_back.gif";
	}
	else{
					img.src = "images/table/askguru/QA_head_front.gif";
				domElement1.src = "images/table/askguru/QA_comment_back.gif";
	}
}



function changeImg_wb(img, newimg) {
	var domElement1 = document.getElementById("portal")
    var domElement2= document.getElementById("main_room")
	var domElement3= document.getElementById("car_room")
	if (newimg ==1){
				 img.src = "images/table/webboard/table-head-webboardclick.gif";
				domElement2.src = "images/table/webboard/table-head-alltalk.gif";
				domElement3.src = "images/table/webboard/table-head-cargroup.gif";
	}
	else if (newimg ==2){
				
				domElement1.src = "images/table/webboard/table-head-webboard.gif";
				img.src = "images/table/webboard/table-head-alltalkclick.gif";
				domElement3.src = "images/table/webboard/table-head-cargroup.gif";
	}
	else{
				domElement1.src = "images/table/webboard/table-head-webboard.gif";
				domElement2.src = "images/table/webboard/table-head-alltalk.gif";
				img.src = "images/table/webboard/table-head-cargroupclick.gif";
				
	}
}