function changeArea(url) {
    var area = document.form1.area.value;
    
	var request = GXmlHttp.create();
	var url = url + "area_xml.php";
	    url += "?area=" + area;
	
	request.open("GET", url, true);
	
	request.onreadystatechange = function() {
	    if (request.readyState == 4) {
	        
	        var value = request.responseText;
	        
	        if(value) {
	            var inhtml = "<select name=\"subarea\">";
	            inhtml += request.responseText;
	            inhtml += "</select>";
	            
	            //alert(request.responseText);
	            document.getElementById("subarea").innerHTML = inhtml;
	        } else {
	            document.getElementById("subarea").innerHTML = "";
	        }
	            
		}
	}
	
	request.send(null);
}

function changeSubcategory(url) {
    var nextcategory = document.form1.nextcategory.value;
    var maincategory = document.form1.maincategory.value;
    
	var request = GXmlHttp.create();
	var url = url + "category_xml.php";
	    url += "?nextcategory=" + nextcategory;
	    url += "&maincategory=" + maincategory;
	
	request.open("GET", url, true);
	
	request.onreadystatechange = function() {
	    if (request.readyState == 4) {
	        
	        var value = request.responseText;
	        
	        if(value) {
	            var inhtml = value;
	            
	            //alert(request.responseText);
	            document.getElementById("category").innerHTML = inhtml;
	        } else {
	            document.getElementById("category").innerHTML = "";
	        }
		}
	}
	
	request.send(null);
}

function changeNextcategory(url) {
    var maincategory = document.form1.maincategory.value;
    
	var request = GXmlHttp.create();
	var rurl = url + "category_xml.php";
	    rurl += "?maincategory=" + maincategory;
	
	request.open("GET", rurl, true);
	
	request.onreadystatechange = function() {
	    if (request.readyState == 4) {
	        
	        var value = request.responseText;
	        if(value) {
	            var inhtml = "<select name=\"nextcategory\" onchange=\"changeSubcategoryCoupon('" + url +"')\">";
	            inhtml += value;
	            inhtml += "</select>";
	            
	            //alert(request.responseText);
	            document.getElementById("nextcategory").innerHTML = inhtml;
	        } else {
	            document.getElementById("nextcategory").innerHTML = "";
	        }
		}
	}
	
	request.send(null);
}

function changeNextcategoryRight(url) {
    //NextCategory初期化
    document.form_right.nextcategory.value = "1";
    
    var maincategory = document.form_right.maincategory.value;
    
	var request = GXmlHttp.create();
	var requesturl = url + "category_xml.php";
	    requesturl += "?maincategory=" + maincategory;
	
	request.open("GET", requesturl, true);

	request.onreadystatechange = function() {
	    if (request.readyState == 4) {
	        
	        var value = request.responseText;

	        if(value) {
	            var inhtml = "<select name=\"nextcategory\" onchange=\"changeSubcategoryRight('" + url + "');\">";
	            inhtml += value;
	            inhtml += "</select>";
	            
	            document.getElementById("nextcategorybox").innerHTML = inhtml;
	        } else {
	            document.getElementById("nextcategorybox").innerHTML = "";
	        }
		}
	}
	
	request.send(null);
}

function changeSubcategoryRight(url) {
    var nextcategory = document.form_right.nextcategory.value;
    var maincategory = document.form_right.maincategory.value;
    
	var request = GXmlHttp.create();
	var url = url + "category_xml.php";
	    url += "?nextcategory=" + nextcategory;
	    url += "&maincategory=" + maincategory;
	
	request.open("GET", url, true);
	
	request.onreadystatechange = function() {
	    if (request.readyState == 4) {
	        
	        var value = request.responseText;
	        
	        if(value) {
	            var inhtml = value;
	            document.getElementById("categorybox").innerHTML = inhtml;
	        } else {
	            document.getElementById("categorybox").innerHTML = "";
	        }
		}
	}
	
	request.send(null);
}

function changeSubcategoryCoupon(url) {
    var nextcategory = document.form1.nextcategory.value;
    var maincategory = document.form1.maincategory.value;
    
	var request = GXmlHttp.create();
	var url = url + "category_xml2.php";
	    url += "?nextcategory=" + nextcategory;
	    url += "&maincategory=" + maincategory;
	
	request.open("GET", url, true);
	
	request.onreadystatechange = function() {
	    if (request.readyState == 4) {
	        
	        var value = request.responseText;
	        
	        if(value) {
	            var inhtml = value;
	            
	            //alert(request.responseText);
	            document.getElementById("subcategorybox").innerHTML = inhtml;
	        } else {
	            document.getElementById("subcategorybox").innerHTML = "";
	        }
		}
	}
	
	request.send(null);
}


function PrintPage(){
    if(document.getElementById || document.layers){
        window.print(); //印刷してもよろしいでしょうか？
    }
}