function tab_1(){
	document.getElementById("tab_antenna").style.fontWeight = "bold";
	document.getElementById("tab_antenna").style.backgroundColor = "#FFEFDE";
	document.getElementById("tab_antenna").style.borderTop = "2px solid #EF7878";
	document.getElementById("tab_antenna").style.borderLeft = "2px solid #EF7878";
	document.getElementById("tab_antenna").style.borderRight = "2px solid #EF7878";
	document.getElementById("tab_antenna").style.borderBottom = "2px solid #FFEFDE";
	document.getElementById("tab_bookmark").style.fontWeight = "normal";
	document.getElementById("tab_bookmark").style.backgroundColor = "#FFFFFF";
	document.getElementById("tab_bookmark").style.borderTop = "2px solid #CDCDCD";
	document.getElementById("tab_bookmark").style.borderLeft = "2px solid #CDCDCD";
	document.getElementById("tab_bookmark").style.borderRight = "2px solid #CDCDCD";
	document.getElementById("tab_bookmark").style.borderBottom = "0px solid #CDCDCD";
	document.getElementById("tab_palace").style.fontWeight = "normal";
	document.getElementById("tab_palace").style.backgroundColor = "#FFFFFF";
	document.getElementById("tab_palace").style.borderTop = "2px solid #CDCDCD";
	document.getElementById("tab_palace").style.borderLeft = "2px solid #CDCDCD";
	document.getElementById("tab_palace").style.borderRight = "2px solid #CDCDCD";
	document.getElementById("tab_palace").style.borderBottom = "0px solid #CDCDCD";
}
function tab_2(){
	document.getElementById("tab_antenna").style.fontWeight = "normal";
	document.getElementById("tab_antenna").style.backgroundColor = "#FFFFFF";
	document.getElementById("tab_antenna").style.borderTop = "2px solid #CDCDCD";
	document.getElementById("tab_antenna").style.borderLeft = "2px solid #CDCDCD";
	document.getElementById("tab_antenna").style.borderRight = "2px solid #CDCDCD";
	document.getElementById("tab_antenna").style.borderBottom = "0px solid #CDCDCD";
	document.getElementById("tab_bookmark").style.fontWeight = "bold";
	document.getElementById("tab_bookmark").style.backgroundColor = "#FFEFDE";
	document.getElementById("tab_bookmark").style.borderTop = "2px solid #EF7878";
	document.getElementById("tab_bookmark").style.borderLeft = "2px solid #EF7878";
	document.getElementById("tab_bookmark").style.borderRight = "2px solid #EF7878";
	document.getElementById("tab_bookmark").style.borderBottom = "2px solid #FFEFDE";
	document.getElementById("tab_palace").style.fontWeight = "normal";
	document.getElementById("tab_palace").style.backgroundColor = "#FFFFFF";
	document.getElementById("tab_palace").style.borderTop = "2px solid #CDCDCD";
	document.getElementById("tab_palace").style.borderLeft = "2px solid #CDCDCD";
	document.getElementById("tab_palace").style.borderRight = "2px solid #CDCDCD";
	document.getElementById("tab_palace").style.borderBottom = "0px solid #CDCDCD";
}
function tab_3(){
	document.getElementById("tab_antenna").style.fontWeight = "normal";
	document.getElementById("tab_antenna").style.backgroundColor = "#FFFFFF";
	document.getElementById("tab_antenna").style.borderTop = "2px solid #CDCDCD";
	document.getElementById("tab_antenna").style.borderLeft = "2px solid #CDCDCD";
	document.getElementById("tab_antenna").style.borderRight = "2px solid #CDCDCD";
	document.getElementById("tab_antenna").style.borderBottom = "0px solid #CDCDCD";
	document.getElementById("tab_bookmark").style.fontWeight = "normal";
	document.getElementById("tab_bookmark").style.backgroundColor = "#FFFFFF";
	document.getElementById("tab_bookmark").style.borderTop = "2px solid #CDCDCD";
	document.getElementById("tab_bookmark").style.borderLeft = "2px solid #CDCDCD";
	document.getElementById("tab_bookmark").style.borderRight = "2px solid #CDCDCD";
	document.getElementById("tab_bookmark").style.borderBottom = "0px solid #CDCDCD";
	document.getElementById("tab_palace").style.fontWeight = "bold";
	document.getElementById("tab_palace").style.backgroundColor = "#FFEFDE";
	document.getElementById("tab_palace").style.borderTop = "2px solid #EF7878";
	document.getElementById("tab_palace").style.borderLeft = "2px solid #EF7878";
	document.getElementById("tab_palace").style.borderRight = "2px solid #EF7878";
	document.getElementById("tab_palace").style.borderBottom = "2px solid #FFEFDE";
}