var targets = new Object();
targets["a1"] = new Array();
targets["a1"][0] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu01','','images/btn_random1_01_1.gif',0);\" href=\"confidence/index.html\" ><img src=\"images/btn_random1_01.gif\" name=\"menu01\" id=\"menu01\" alt=\"ルネス工法\" /></a>";
targets["a1"][1] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu01_02','','images/btn_random1_02_01.gif',0);\" href=\"confidence/index.html\"><img src=\"images/btn_random1_02.gif\" name=\"menu01_02\" id=\"menu01_02\" alt=\"ルネス工法\" /></a>";
targets["a1"][2] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu01_03','','images/btn_random1_03_01.gif',0);\" href=\"confidence/index.html\"><img src=\"images/btn_random1_03.gif\" name=\"menu01_03\" id=\"menu01_03\" alt=\"ルネス工法\" /></a>";
targets["b1"] = new Array();
targets["b1"][0] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu04_01','','images/btn_random4_01_01.gif',0);\" href=\"confidence/insulation.html\"><img src=\"images/btn_random4_01.gif\" name=\"menu04_01\"  id=\"menu04_01\" alt=\"外断熱工法\" /></a>";
targets["b1"][1] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu04_02','','images/btn_random4_02_01.gif',0);\" href=\"confidence/insulation.html\"><img src=\"images/btn_random4_02.gif\" name=\"menu04_02\" id=\"menu04_02\" alt=\"外断熱工法\" /></a>";
targets["b1"][2] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu04_03','','images/btn_random4_03_01.gif',0);\" href=\"confidence/insulation.html\"><img src=\"images/btn_random4_03.gif\" name=\"menu04_03\" id=\"menu04_03\" alt=\"外断熱工法\" /></a>";
targets["f1"] = new Array();
targets["f1"][0] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu06_01','','images/btn_random6_01_02.gif',0);\" href=\"concrete.html\"><img src=\"images/btn_random6_01_01.gif\" name=\"menu06_01\" id=\"menu06_01\" alt=\"耐震構造「パワーコンクリート」\" /></a>";
targets["f1"][1] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu06_02','','images/btn_random6_02_02.gif',0);\" href=\"concrete.html\"><img src=\"images/btn_random6_02_01.gif\" name=\"menu06_02\" id=\"menu06_02\" alt=\"耐震構造「パワーコンクリート」\" /></a>";
targets["f1"][2] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu06_03','','images/btn_random6_03_02.gif',0);\" href=\"concrete.html\"><img src=\"images/btn_random6_03_01.gif\" name=\"menu06_03\" id=\"menu06_03\" alt=\"耐震構造「パワーコンクリート」\" /></a>";
targets["c1"] = new Array();
targets["c1"][0] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu02_01','','images/btn_random2_01_01.gif',0);\" href=\"house/index.html\"><img src=\"images/btn_random2_01.gif\" name=\"menu02_01\" id=\"menu02_01\" alt=\"健康住宅\" /></a>";
targets["c1"][1] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu02_02','','images/btn_random2_02_01.gif',0);\" href=\"house/index.html\"><img src=\"images/btn_random2_02.gif\" name=\"menu02_02\" id=\"menu02_02\" alt=\"健康住宅\" /></a>";
targets["c1"][2] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu02_03','','images/btn_random2_03_01.gif',0);\" href=\"house/index.html\"><img src=\"images/btn_random2_03.gif\" name=\"menu02_03\" id=\"menu02_03\" alt=\"健康住宅\" /></a>";
targets["d1"] = new Array();
targets["d1"][0] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu03_01','','images/btn_random3_01_01.gif',0);\" href=\"confidence/dreamhouse.html\"><img src=\"images/btn_random3_01.gif\" name=\"menu03_01\" id=\"menu03_01\" alt=\"夢ハウス\" /></a>";
targets["d1"][1] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu03_02','','images/btn_random3_02_01.gif',0);\" href=\"confidence/dreamhouse.html\"><img src=\"images/btn_random3_02.gif\" name=\"menu03_02\" id=\"menu03_02\" alt=\"夢ハウス\" /></a>";
targets["d1"][2] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu03_03','','images/btn_random3_03_01.gif',0);\" href=\"confidence/dreamhouse.html\"><img src=\"images/btn_random3_03.gif\" name=\"menu03_03\" id=\"menu03_03\" alt=\"夢ハウス\" /></a>";
targets["e1"] = new Array();
targets["e1"][0] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu05_01','','images/btn_random5_01_01.gif',0);\" href=\"confidence/consul.html\"><img src=\"images/btn_random5_01.gif\" name=\"menu05_01\" id=\"menu05_01\" alt=\"コンサルティングサービス\" /></a>";
targets["e1"][1] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu05_02','','images/btn_random5_02_01.gif',0);\" href=\"confidence/consul.html\"><img src=\"images/btn_random5_02.gif\" name=\"menu05_02\" id=\"menu05_02\" alt=\"コンサルティングサービス\" /></a>";
targets["e1"][2] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu05_03','','images/btn_random5_03_01.gif',0);\" href=\"confidence/consul.html\"><img src=\"images/btn_random5_03.gif\" name=\"menu05_03\" id=\"menu05_03\" alt=\"コンサルティングサービス\" /></a>";
targets["g1"] = new Array();
targets["g1"][0] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu07_01','','images/btn_random7_01_01.gif',0);\" href=\"index.html\"><img src=\"images/btn_random7_01.gif\" name=\"menu07_01\" id=\"menu07_01\" alt=\"風水を取り入れた建築医学\" /></a>";
targets["g1"][1] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu07_02','','images/btn_random7_02_01.gif',0);\" href=\"index.html\"><img src=\"images/btn_random7_02.gif\" name=\"menu07_02\" id=\"menu07_02\" alt=\"風水を取り入れた建築医学\" /></a>";
targets["g1"][2] = "<a onMouseOut=\"MM_swapImgRestore();\" onMouseOver=\"MM_swapImage('menu07_03','','images/btn_random7_03_01.gif',0);\" href=\"index.html\"><img src=\"images/btn_random7_03.gif\" name=\"menu07_03\" id=\"menu07_03\" alt=\"風水を取り入れた建築医学\" /></a>";

function shuffle(targetId)
{
	var random = Math.floor(Math.random() * 3);
	document.getElementById(targetId).innerHTML = targets[targetId][random];
}