//

function showdiv(divname,divname1,divname2)

{

	var layer = document.getElementById(divname);

	var layer1 = document.getElementById(divname1);

	var layer2 = document.getElementById(divname2);

	layer.style.display = "block";

	layer1.style.display = "none";

	layer2.style.display = "none";

}



function hidediv(divname,divname1,divname2)

{

	var layer = document.getElementById(divname);

	var layer1 = document.getElementById(divname1);

	var layer2 = document.getElementById(divname2);

	layer.style.display = "none";

	layer1.style.display = "none";

	layer2.style.display = "none";

}



function fnc_show_hide_div(modname01,modname02,tab01) { 

	var layer01 = document.getElementById(modname01);

	var layer02 = document.getElementById(modname02);

	if (tab01 == 1) {

		layer01.style.display = "block";

		layer02.style.display = "none";

	} else {

		layer02.style.display = "block";

		layer01.style.display = "none";	

	}

}

function switchPanel(panel)
	{
		panels = ['tableft01','tableft02'];

		for(var i = 0; i <panels.length; i++ )
		{
			var layer = document.getElementById(panels[i]); 
			 if(panels[i]==panel)
			 {
				layer.style.display = "block"; 
			 }
			 else layer.style.display = "none"; 
		}
	
	}


function evalSearch(){

	if(frmCheck()){



		if(document.frmSearch.SearchMenu.options[document.frmSearch.SearchMenu.selectedIndex].value=="0"){

			ret=window.open('http://www.google.com/search?q=' +  escape(document.frmSearch.txtKeyword.value) + '&domains=tuyendung.com.vn&sitesearch=tuyendung.com.vn');

		}

		else if(document.frmSearch.SearchMenu.options[document.frmSearch.SearchMenu.selectedIndex].value=="1"){

			ret=window.open('http://www.google.com/search?q=' +  escape(document.frmSearch.txtKeyword.value) + '&btnG=Google+Search');

		}

	}

}



function frmCheck(){

	if(document.frmSearch.txtKeyword.value==""){

		alert("M?i b?n nh?p v�o t? kho� d? t�m ki?m!");

		return false;

	}

	return true;

}