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<script language="javascript">
var str;
function sayHello(str)
{
if (str==1)
alert('Hello world!');
else
alert('world! Hello ');
}
</script>
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.ClientScript.IsClientScriptBlockRegistered("HelloWorldDeclaration"))
{
Page.ClientScript.RegisterClientScriptBlock(typeof(string), "HelloWorldDeclaration", "function sayHello(str){alert('Hello world!');}", true);
}
}
protected void Button10_Click(object sender, EventArgs e)
{
if (!Page.ClientScript.IsStartupScriptRegistered("HelloWorldExecution"))
{
Page.ClientScript.RegisterStartupScript(typeof(string), "HelloWorldExecution", "sayHello(0);", true);
}
}
protected void Button11_Click(object sender, EventArgs e)
{
if (!Page.ClientScript.IsStartupScriptRegistered("HelloWorldExecution"))
{
Page.ClientScript.RegisterStartupScript(typeof(string), "HelloWorldExecution", "sayHello(1);", true);
}
}