//域名查询验证

function CheckIfEnglish( String )
{
	var Letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890-";
	var i;
	var c;
	if(String.charAt( 0 )=='-')
	return false;
	if( String.charAt( String.length - 1 ) == '-' )
	return false;
	for( i = 0; i < String.length; i ++ )
	{
	c = String.charAt( i );
	if (Letters.indexOf( c ) < 0)
	return false;
	}
	return true;
}

function submitchecken() {

	var md=document.frmsearchInt.module.value;

	if (document.frmsearchInt.searchedDomainName.value == "") {
	alert("请输入您要查询的域名。");
	document.frmsearchInt.searchedDomainName.focus();
	return false;
	}
	if(md=="domainsearch"||md=="domaincnsearch"||md=="mobisearch"){
	if (!CheckIfEnglish(document.frmsearchInt.searchedDomainName.value )) {
	alert("在查询英文域名应输入英文不能输入中文及非法字符！");
	document.frmsearchInt.searchedDomainName.focus();
	return false;
	}
	}
	else{
	if (CheckIfEnglish(document.frmsearchInt.searchedDomainName.value )) {
	alert("在查询中文域名应至少包含一个中文字符！");
	document.frmsearchInt.searchedDomainName.focus();
	return false;
	}
	}

	document.frmsearchInt.searchType.value = "IntDomain";

	return true;
}

function setDmodule(dmtype){
	var md = eval(document.frmsearchInt.module);
	switch(dmtype){
		case 1:
			md.value="domainsearch";
			break;
		case 2:
			md.value="domaincnsearch";
			break;
		case 3:
			md.value="chinesesearch";
			break;
		case 4:
			md.value="interchinesesearch";
			break;
		case 5:
			md.value="mobisearch";
			document.frmsearchInt.mobi.value="yes";
			break;
		default:
			alert("some error occured .");
	}
}