<!--
String.prototype.trim = function() {
    return this.replace(/^[ ]+|[ ]+$/g, '');
}

function InputCheck(){

	var ThisForm = document.IntroForm;

	for(iCnt = 0; iCnt < 20; iCnt++) {

		if(ThisForm.elements['site_per00['+iCnt+']'].value.trim() != "" && isNaN(ThisForm.elements['site_per00['+iCnt+']'].value)){
			alert("出現率には半角数値を入力してください。");
			ThisForm.elements['site_per00['+iCnt+']'].focus();
			return false;
		}
		if(ThisForm.elements['site_per01['+iCnt+']'].value.trim() != "" && isNaN(ThisForm.elements['site_per01['+iCnt+']'].value)){
			alert("出現率には半角数値を入力してください。");
			ThisForm.elements['site_per01['+iCnt+']'].focus();
			return false;
		}
		if(ThisForm.elements['site_per02['+iCnt+']'].value.trim() != "" && isNaN(ThisForm.elements['site_per02['+iCnt+']'].value)){
			alert("出現率には半角数値を入力してください。");
			ThisForm.elements['site_per02['+iCnt+']'].focus();
			return false;
		}
		if(ThisForm.elements['site_per03['+iCnt+']'].value.trim() != "" && isNaN(ThisForm.elements['site_per03['+iCnt+']'].value)){
			alert("出現率には半角数値を入力してください。");
			ThisForm.elements['site_per03['+iCnt+']'].focus();
			return false;
		}
		if(ThisForm.elements['site_per04['+iCnt+']'].value.trim() != "" && isNaN(ThisForm.elements['site_per04['+iCnt+']'].value)){
			alert("出現率には半角数値を入力してください。");
			ThisForm.elements['site_per04['+iCnt+']'].focus();
			return false;
		}

		
		if(ThisForm.elements['site_name00['+iCnt+']'].value.trim() != "" || ThisForm.elements['site_per00['+iCnt+']'].value.trim() != "" || ThisForm.elements['site_url['+iCnt+']'].value.trim() != ""){

			if(ThisForm.elements['site_name00['+iCnt+']'].value.trim() == ""){
				alert("サイト名１を入力してください。");
				ThisForm.elements['site_name00['+iCnt+']'].focus();
				return false;
			}
			if(ThisForm.elements['site_per00['+iCnt+']'].value.trim() == ""){
				alert("出現比率１を入力してください。");
				ThisForm.elements['site_per00['+iCnt+']'].focus();
				return false;
			}
			if(ThisForm.elements['site_url['+iCnt+']'].value.trim() == ""){
				alert("サイトURLを入力してください。");
				ThisForm.elements['site_url['+iCnt+']'].focus();
				return false;
			}
		}
	}
	ThisForm.submit();

}

// -->